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U.S. Government Money Market Fund (First Prospectus Summary) | U.S. Government Money Market Fund
U.S. GOVERNMENT MONEY MARKET FUND
INVESTMENT OBJECTIVE -
The U.S. Government Money Market Fund (the "Fund") seeks to provide security
of principal, high current income, and liquidity.
FEES AND EXPENSES OF THE FUND -
This table describes the fees and expenses that you may pay if you buy and
hold Advisor Class Shares or Investor Class Shares of the Fund.
SHAREHOLDER FEES (fees paid directly from your investment) N/A
ANNUAL FUND OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses U.S. Government Money Market Fund
Advisor
Investor
Management Fees 0.50% 0.50%
Distribution (12b-1) and/or Shareholder Service Fees 0.25% none
Other Expenses 0.69% 0.44%
Total Annual Fund Operating Expenses 1.44% 0.94%
EXAMPLE -
This Example is intended to help you compare the cost of investing in the
Fund with the cost of investing in other mutual funds.

The Example assumes that you invest $10,000 in the Fund for the time periods
indicated, and then redeem all of your shares at the end of those periods. The
Example also assumes that your investment has a 5% return each year and that the
Fund's operating expenses remain the same. Although your actual costs may be
higher or lower, based on these assumptions your costs would be:
Expense Example U.S. Government Money Market Fund (USD $)
Expense Example, With Redemption, 1 Year
Expense Example, With Redemption, 3 Years
Expense Example, With Redemption, 5 Years
Expense Example, With Redemption, 10 Years
Advisor
147 456 787 1,724
Investor
96 300 520 1,155
PORTFOLIO TURNOVER -
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 Total Annual
Fund Operating Expenses or in the Example, affect the Fund's performance. During the
most recent fiscal year, the Fund's portfolio turnover rate was 0% of the average
value of its portfolio. However, the Fund's portfolio turnover rate is calculated
without regard to cash instruments or derivatives. If such instruments were included,
the Fund's portfolio turnover rate might be significantly higher.
PRINCIPAL INVESTMENT STRATEGIES -
The Fund invests primarily in money market instruments issued or guaranteed as
to principal and interest by the U.S. government, its agencies or instrumentalities,
and enters into repurchase agreements fully collateralized by U.S. government
securities. The Fund may also invest in 2a-7 eligible securities, including, but
not limited to Eurodollar Time Deposits, securities issued by the International
Bank for Reconstruction and Development (the World Bank), and high-quality commercial
paper certificates of deposit, and short-term corporate bonds. The Fund operates
under U.S.Securities and Exchange Commission rules, which impose certain liquidity,
maturity and diversification requirements on all money market funds. All
securities purchased by the Fund must have remaining maturities of 397 days or
less, and must be found by the Advisor to represent minimal credit risk and be
of eligible quality.

Under normal circumstances, the Fund will invest at least 80% of its net assets,
plus any borrowings for investment purposes, in fixed income securities issued
by the U.S. government (and derivatives thereof).
PRINCIPAL RISKS -
As with all mutual funds, a shareholder is subject to the risk that his or
her investment could lose money. In addition to this risk, the Fund is subject
to a number of additional risks that may affect the value of its shares,
including:

Credit Risk - The Fund could lose money if the issuer or guarantor of a debt
instrument in which it invests becomes unwilling or unable to make timely
principal and/or interest payments, or to otherwise meet its obligations.

Income Risk - Income Risk involves the potential for decline in the Fund's yield
(the rate of dividends the Fund pays) in the event of declining interest rates.

Interest Rate Risk - The market value of fixed income investments and related
financial instruments will change in response to interest rate changes. During
periods of falling interest rates, the values of fixed income securities
generally rise. Conversely, during periods of rising interest rates, the values
of such securities generally decline.

Stable Price Per Share Risk - The Fund's assets are valued using the amortized
cost method, which enables the Fund to maintain a stable price of $1.00 per
share. Although the Fund is managed to maintain a stable price per share of
$1.00, there is no guarantee that the price will be constantly maintained, and
it is possible to lose money.
PERFORMANCE INFORMATION -
The following bar chart shows the performance of the Advisor Class Shares of
the Fund from year to year. The variability of performance over time provides an
indication of the risks of investing in the Fund. The following table shows the
performance of the Advisor Class Shares and Investor Class Shares of the Fund as
an average over different periods of time.The figures in the bar chart and table
assume the reinvestment of dividends and capital gains distributions. Of course,
this past performance does not necessarily indicate how the Fund will perform in
the future.

Updated performance information is available on the Fund's website at
www.rydex-sgi.com or by calling Rydex|SGI Client Services at 800-820-0888.
The performance information shown below for Investor Class Shares is based on a
calendar year. The year-to-date return for the period from January 1, 2011
through June 30, 2011 is 0.00%.
Bar Chart
Highest Quarter Return            Lowest Quarter Return
        (quarter ended 3/31/2001) 1.23%   (quarter ended 3/31/2010) 0.00%
AVERAGE ANNUAL TOTAL RETURN (for periods ended December 31, 2010)
Average Annual Total Returns U.S. Government Money Market Fund
Average Annual Returns, Label
Average Annual Returns, 1 Year
Average Annual Returns, 5 Years
Average Annual Returns, 10 Years
Advisor
Return Before Taxes 0.01% 1.67% 1.35%
Investor
Return Before Taxes 0.01% 1.98% 1.71%
YIELD Call 800.820.0888 for the Fund's current yield.