0000722574 fas2:S000005113Member fas2:ClassAtbcMember 2011-09-30 2012-09-29 0000722574 fas2:S000005113Member fas2:ClassAtbcMember fas2:C000013946Member 2011-09-30 2012-09-29 0000722574 fas2:S000005113Member fas2:ClassAtbcMember fas2:C000013949Member 2011-09-30 2012-09-29 0000722574 fas2:S000005113Member fas2:ClassAtbcMember fas2:C000013947Member 2011-09-30 2012-09-29 0000722574 fas2:S000005113Member fas2:ClassAtbcMember fas2:C000013948Member 2011-09-30 2012-09-29 0000722574 fas2:S000005113Member fas2:InstitutionalMember fas2:C000013950Member 2011-09-30 2012-09-29 0000722574 fas2:S000005113Member fas2:InstitutionalMember 2011-09-30 2012-09-29 0000722574 2011-09-30 2012-09-29 0000722574 fas2:S000005113Member fas2:ClassAtbcMember fas2:ReturnBeforeTaxesMember fas2:C000013946Member 2011-09-30 2012-09-29 0000722574 fas2:S000005113Member fas2:ClassAtbcMember rr:AfterTaxesOnDistributionsMember fas2:C000013946Member 2011-09-30 2012-09-29 0000722574 fas2:S000005113Member fas2:ClassAtbcMember rr:AfterTaxesOnDistributionsAndSalesMember fas2:C000013946Member 2011-09-30 2012-09-29 0000722574 fas2:S000005113Member fas2:ClassAtbcMember fas2:ReturnBeforeTaxesMember fas2:C000013949Member 2011-09-30 2012-09-29 0000722574 fas2:S000005113Member fas2:ClassAtbcMember fas2:ReturnBeforeTaxesMember fas2:C000013947Member 2011-09-30 2012-09-29 0000722574 fas2:S000005113Member fas2:ClassAtbcMember fas2:ReturnBeforeTaxesMember fas2:C000013948Member 2011-09-30 2012-09-29 0000722574 fas2:S000005113Member fas2:ClassAtbcMember fas2:SAndPIndexMember 2011-09-30 2012-09-29 0000722574 fas2:S000005113Member fas2:ClassAtbcMember fas2:CreditSuiseeLeveragedEquityIndexMember 2011-09-30 2012-09-29 0000722574 fas2:S000005113Member fas2:InstitutionalMember fas2:ReturnBeforeTaxesMember fas2:C000013950Member 2011-09-30 2012-09-29 0000722574 fas2:S000005113Member fas2:InstitutionalMember rr:AfterTaxesOnDistributionsMember fas2:C000013950Member 2011-09-30 2012-09-29 0000722574 fas2:S000005113Member fas2:InstitutionalMember rr:AfterTaxesOnDistributionsAndSalesMember fas2:C000013950Member 2011-09-30 2012-09-29 0000722574 fas2:S000005113Member fas2:InstitutionalMember fas2:SAndPIndexMember 2011-09-30 2012-09-29 0000722574 fas2:S000005113Member fas2:InstitutionalMember fas2:CreditSuiseeLeveragedEquityIndexMember 2011-09-30 2012-09-29 pure iso4217:USD Sell All Shares 1161 1063 1047 1011 2012-06-30 1161 1063 1247 1011 477 2012-06-30 <div style="display:none">~ http://www.advisor.fidelity.com/role/ScheduleShareholderFeesFidelityAdvisorLeveragedCompanyStockFund column period compact * ~</div> <div style="display:none">~ http://www.advisor.fidelity.com/role/ScheduleShareholderFeesFidelityAdvisorLeveragedCompanyStockFundClassAClassBClassCClassT column period compact * ~</div> 0.9161 0.9194 Fund Summary Fund/Class: Fidelity Advisor® Leveraged Company Stock Fund/Institutional Shareholder fees (fees paid directly from your investment) The fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when fund shares are held in a taxable account. These costs, which are not reflected in annual operating expenses or in the example, affect the fund's performance. During the most recent fiscal year, the fund's portfolio turnover rate was 30% of the average value of its portfolio. www.advisor.fidelity.com Fund Summary Fund/Class: Fidelity Advisor® Leveraged Company Stock Fund/A, T, B, C Shareholder fees (fees paid directly from your investment) The fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when fund shares are held in a taxable account. These costs, which are not reflected in annual operating expenses or in the example, affect the fund's performance. During the most recent fiscal year, the fund's portfolio turnover rate was 30% of the average value of its portfolio. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in the fund or certain other Fidelity funds. www.advisor.fidelity.com 0.1282 0.1302 <div style="display:none">~ http://www.advisor.fidelity.com/role/ScheduleAnnualClassOperatingExpensesFidelityAdvisorLeveragedCompanyStockFund column period compact * ~</div> <div style="display:none">~ http://www.advisor.fidelity.com/role/ScheduleAnnualClassOperatingExpensesFidelityAdvisorLeveragedCompanyStockFundClassAClassBClassCClassT column period compact * ~</div> 0.035 FIDELITY ADVISOR SERIES I 684 483 697 290 1871 1917 1955 2190 88 <div style="display:none">~ http://www.advisor.fidelity.com/role/ScheduleAnnualTotalReturnsFidelityAdvisorLeveragedCompanyStockFundBarChart column period compact * ~</div> <div style="display:none">~ http://www.advisor.fidelity.com/role/ScheduleAnnualTotalReturnsFidelityAdvisorLeveragedCompanyStockFundClassAClassBClassCClassTBarChart column period compact * ~</div> The following table describes the fees and expenses that may be incurred when you buy, hold, or sell shares of the fund. Annual class operating expenses (expenses that you pay each year as a % of the value of your investment) This example helps compare the cost of investing in the fund with the cost of investing in other mutual funds. Let's say, hypothetically, that the annual return for shares of the fund is 5% and that your shareholder fees and the annual operating expenses for shares of the fund are exactly as described in the fee table. This example illustrates the effect of fees and expenses, but is not meant to suggest actual or expected fees and expenses or returns, all of which may vary. For every $10,000 you invested, here's how much you would pay in total expenses if you sell all of your shares at the end of each time period indicated: <table border="1" width="95%"><tr><td><div align="left">During the periods shown in the chart: </div></td><td valign="bottom" align="center"><div align="center">Returns </div></td><td valign="bottom" align="center"><div align="center">Quarter ended</div></td></tr><tr><td><div align="left">Highest Quarter Return </div></td><td><div align="right">44.18% </div></td><td><div align="left">June 30, 2003</div></td></tr><tr><td><div align="left">Lowest Quarter Return </div></td><td><div align="right">-36.86% </div></td><td><div align="left">December 31, 2008</div></td></tr><tr><td><div align="left">Year-to-Date Return </div></td><td><div align="right">13.02% </div></td><td><div align="left">June 30, 2012</div></td></tr></table> The information illustrates the changes in the performance of the fund's shares from year to year and compares the performance of the fund's shares to the performance of a securities market index and an additional index over various periods of time. The following table describes the fees and expenses that may be incurred when you buy, hold, or sell shares of the fund. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in the fund or certain other Fidelity funds. More information about these and other discounts is available from your investment professional and in the Fund Distribution section beginning on page (Click Here) of the prospectus. Annual class operating expenses (expenses that you pay each year as a % of the value of your investment) This example helps compare the cost of investing in the fund with the cost of investing in other mutual funds. Let's say, hypothetically, that the annual return for shares of the fund is 5% and that your shareholder fees and the annual operating expenses for shares of the fund are exactly as described in the fee table. This example illustrates the effect of fees and expenses, but is not meant to suggest actual or expected fees and expenses or returns, all of which may vary. For every $10,000 you invested, here's how much you would pay in total expenses if you sell all of your shares at the end of each time period indicated and if you hold your shares: <table border="1" width="95%"><tr><td><div align="left">During the periods shown in the chart for Class A: </div></td><td valign="bottom" align="center"><div align="center">Returns </div></td><td valign="bottom" align="center"><div align="center">Quarter ended</div></td></tr><tr><td><div align="left">Highest Quarter Return </div></td><td><div align="right">44.11% </div></td><td><div align="left">June 30, 2003</div></td></tr><tr><td><div align="left">Lowest Quarter Return </div></td><td><div align="right">-36.87% </div></td><td><div align="left">December 31, 2008</div></td></tr><tr><td><div align="left">Year-to-Date Return </div></td><td><div align="right">12.82% </div></td><td><div align="left">June 30, 2012</div></td></tr></table> 50000 The information illustrates the changes in the performance of the fund's shares from year to year and compares the performance of the fund's shares to the performance of a securities market index and an additional index over various periods of time. Class A and Class T purchases of $1 million or more will not be subject to a front-end sales charge. Such Class A and Class T purchases may be subject, upon redemption, to a contingent deferred sales charge (CDSC) of 1.00% or 0.25%, respectively. Class A and Class T purchases of $1 million or more will not be subject to a front-end sales charge. Such Class A and Class T purchases may be subject, upon redemption, to a contingent deferred sales charge (CDSC) of 1.00% or 0.25%, respectively. Declines over 6 years from 5.00% to 0%. On Class C shares redeemed less than one year after purchase. Return After Taxes on Distributions and Sale of Fund Shares may be higher than other returns for the same period due to a tax benefit of realizing a capital loss upon the sale of fund shares. Return After Taxes on Distributions and Sale of Fund Shares may be higher than other returns for the same period due to a tax benefit of realizing a capital loss upon the sale of fund shares. 0 0 0.0575 485BPOS 0000722574 0 0 0.05 0.01 2012-09-27 2012-07-31 0.0135 0.0194 0.0187 0.0113 913 763 909 588 684 483 197 190 0.0086 274 -0.0175 -0.1065 -0.0147 -0.1044 0.1136 0.1113 0.1014 0.1133 0.1143 0.1118 0.0292 0.042 0.1233 0.1207 0.1103 0.0292 0.042 Investment Objective Fee Table Principal Investment Strategies <ul type="disc"><li>Stock Market Volatility. Stock markets are volatile and can decline significantly in response to adverse issuer, political, regulatory, market, or economic developments. Different parts of the market can react differently to these developments. </li><li>Interest Rate Changes. Interest rate increases can cause the price of a debt security to decrease. </li><li>Foreign Exposure. Foreign markets, particularly emerging markets, can be more volatile than the U.S. market due to increased risks of adverse issuer, political, regulatory, market, or economic developments and can perform differently from the U.S. market.</li><li>Issuer-Specific Changes. The value of an individual security or particular type of security can be more volatile than, and can perform differently from, the market as a whole. Lower-quality debt securities (those of less than investment-grade quality, also referred to as high yield debt securities) and certain types of other securities involve greater risk of default or price changes due to changes in the credit quality of the issuer. The value of lower-quality debt securities and certain types of other securities can be more volatile due to increased sensitivity to adverse issuer, political, regulatory, market, or economic developments.</li> <li>Highly Leveraged Company Exposure. Leverage can magnify the impact of adverse issuer, political, regulatory, market, or economic developments on a company.</li></ul>An investment in the fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. You could lose money by investing in the fund. Average Annual Returns After-tax returns are calculated using the historical highest individual federal marginal income tax rates, but do not reflect the impact of state or local taxes. Actual after-tax returns may differ depending on your individual circumstances. The after-tax returns shown are not relevant if you hold your shares in a retirement account or in another tax-deferred arrangement. Return After Taxes on Distributions and Sale of Fund Shares may be higher than other returns for the same period due to a tax benefit of realizing a capital loss upon the sale of fund shares. For the periods ended December 31, 2011 You could lose money by investing in the fund. The after-tax returns shown are not relevant if you hold your shares in a retirement account or in another tax-deferred arrangement. Investment Objective Fee Table Hold Shares Principal Investment Strategies Average Annual Returns Unlike the returns in the bar chart, the returns in the table reflect the maximum applicable sales charges. After-tax returns are calculated using the historical highest individual federal marginal income tax rates, but do not reflect the impact of state or local taxes. After-tax returns for Class A are shown in the table below and after-tax returns for other classes will vary. Actual after-tax returns may differ depending on your individual circumstances. The after-tax returns shown are not relevant if you hold your shares in a retirement account or in another tax-deferred arrangement. Return After Taxes on Distributions and Sale of Fund Shares may be higher than other returns for the same period due to a tax benefit of realizing a capital loss upon the sale of fund shares. For the periods ended December 31, 2011 You could lose money by investing in the fund. The after-tax returns shown are not relevant if you hold your shares in a retirement account or in another tax-deferred arrangement. <ul type="disc"><li>Stock Market Volatility. Stock markets are volatile and can decline significantly in response to adverse issuer, political, regulatory, market, or economic developments. Different parts of the market can react differently to these developments. </li><li>Interest Rate Changes. Interest rate increases can cause the price of a debt security to decrease. </li><li>Foreign Exposure. Foreign markets, particularly emerging markets, can be more volatile than the U.S. market due to increased risks of adverse issuer, political, regulatory, market, or economic developments and can perform differently from the U.S. market.</li><li>Issuer-Specific Changes. The value of an individual security or particular type of security can be more volatile than, and can perform differently from, the market as a whole. Lower-quality debt securities (those of less than investment-grade quality, also referred to as high yield debt securities) and certain types of other securities involve greater risk of default or price changes due to changes in the credit quality of the issuer. The value of lower-quality debt securities and certain types of other securities can be more volatile due to increased sensitivity to adverse issuer, political, regulatory, market, or economic developments.</li> <li>Highly Leveraged Company Exposure. Leverage can magnify the impact of adverse issuer, political, regulatory, market, or economic developments on a company.</li></ul>An investment in the fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. You could lose money by investing in the fund. 2003-06-30 0.4411 Lowest Quarter Return 2008-12-31 2003-06-30 0.4418 Lowest Quarter Return 2008-12-31 false 2012-09-29 2012-09-29 0.0061 0.0061 0.0061 0.005 0.01 0.01 0.0024 0.0033 0.0026 0.0061 0.0025 0.0027 1871 1917 1955 2190 0 913 763 609 588 0.0061 0 0.0025 1061 0.2343 0.1725 0.1667 0.1936 -0.5378 0.5968 0.2434 0.2383 0.1764 0.1697 0.197 -0.5367 0.6017 0.2471 -0.1579 -0.1592 -0.1009 -0.1577 -0.1397 -0.1222 0.0211 -0.1089 -0.016 -0.0177 -0.0136 -0.0136 -0.016 -0.0116 -0.0025 -0.0353 -0.1044 -0.1059 -0.0658 0.0211 -0.1089 -0.0016 -0.0036 -0.0014 -0.0025 -0.0353 The fund seeks capital appreciation. Portfolio Turnover <ul type="disc"><li>Normally investing at least 80% of assets in stocks.</li><li>Normally investing primarily in common stocks of leveraged companies (companies that issue lower-quality debt and other companies with leveraged capital structures).</li><li>Potentially investing in lower-quality debt securities.</li><li>Investing in domestic and foreign issuers.</li> <li>Investing in either "growth" stocks or "value" stocks or both.</li><li>Using fundamental analysis of each issuer's financial condition and industry position and market and economic conditions to select investments.</li></ul> Principal Investment Risks Performance The following information is intended to help you understand the risks of investing in the fund. The information illustrates the changes in the performance of the fund's shares from year to year and compares the performance of the fund's shares to the performance of a securities market index and an additional index over various periods of time. The indexes have characteristics relevant to the fund's investment strategies. Index descriptions appear in the Additional Information about the Indexes section of the prospectus. Past performance (before and after taxes) is not an indication of future performance. Visit www.advisor.fidelity.com for updated return information. Year-by-Year Returns Calendar Years 0.3 An investment in the fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. Past performance (before and after taxes) is not an indication of future performance. After-tax returns are calculated using the historical highest individual federal marginal income tax rates, but do not reflect the impact of state or local taxes. The fund seeks capital appreciation. Portfolio Turnover <ul type="disc"><li>Normally investing at least 80% of assets in stocks.</li><li>Normally investing primarily in common stocks of leveraged companies (companies that issue lower-quality debt and other companies with leveraged capital structures).</li><li>Potentially investing in lower-quality debt securities.</li><li>Investing in domestic and foreign issuers.</li> <li>Investing in either "growth" stocks or "value" stocks or both.</li><li>Using fundamental analysis of each issuer's financial condition and industry position and market and economic conditions to select investments.</li></ul> Principal Investment Risks Performance Institutional Class The following information is intended to help you understand the risks of investing in the fund. The information illustrates the changes in the performance of the fund's shares from year to year and compares the performance of the fund's shares to the performance of a securities market index and an additional index over various periods of time. The indexes have characteristics relevant to the fund's investment strategies. Index descriptions appear in the Additional Information about the Indexes section of the prospectus. Past performance (before and after taxes) is not an indication of future performance. Visit www.advisor.fidelity.com for updated return information. Year-by-Year Returns Return Before Taxes Return After Taxes on Distributions Return After Taxes on Distributions and Sale of Fund Shares 0.3 An investment in the fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. Past performance (before and after taxes) is not an indication of future performance. The returns in the bar chart do not reflect any applicable sales charges; if sales charges were reflected, returns would be lower than those shown. Calendar Years Unlike the returns in the bar chart, the returns in the table reflect the maximum applicable sales charges. After-tax returns are calculated using the historical highest individual federal marginal income tax rates, but do not reflect the impact of state or local taxes. After-tax returns for Class A are shown in the table below and after-tax returns for other classes will vary. Institutional Class Institutional Class Credit Suisse Leveraged Equity Index S&P 500® Index Class A - Return Before Taxes Class T - Return Before Taxes Class B - Return Before Taxes Class C - Return Before Taxes Class A - Return After Taxes on Distributions Class A - Return After Taxes on Distributions and Sale of Fund Shares S&P 500® Index Credit Suisse Leveraged Equity Index Year-to-Date Return Highest Quarter Return -0.3687 Highest Quarter Return -0.3686 Year-to-Date Return <div style="display:none">~ http://www.advisor.fidelity.com/role/ScheduleExpenseExampleFidelityAdvisorLeveragedCompanyStockFund column period compact * ~</div> <div style="display:none">~ http://www.advisor.fidelity.com/role/ScheduleAverageAnnualTotalReturnsTransposedFidelityAdvisorLeveragedCompanyStockFund column period compact * ~</div> <div style="display:none">~ http://www.advisor.fidelity.com/role/ScheduleExpenseExampleFidelityAdvisorLeveragedCompanyStockFundClassAClassBClassCClassT column period compact * ~</div> <div style="display:none">~ http://www.advisor.fidelity.com/role/ScheduleExpenseExampleNoRedemptionFidelityAdvisorLeveragedCompanyStockFundClassAClassBClassCClassT column period compact * ~</div> <div style="display:none">~ http://www.advisor.fidelity.com/role/ScheduleAverageAnnualTotalReturnsTransposedFidelityAdvisorLeveragedCompanyStockFundClassAClassBClassCClassT column period compact * ~</div> Class A and Class T purchases of $1 million or more will not be subject to a front-end sales charge. Such Class A and Class T purchases may be subject, upon redemption, to a contingent deferred sales charge (CDSC) of 1.00% or 0.25%, respectively. Declines over 6 years from 5.00% to 0%. On Class C shares redeemed less than one year after purchase.