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  <fct4:SupplementTextBlock contextRef="Duration_29Jan2011_28Jan2012S000006010_Member">&lt;h2&gt;Supplement to the&lt;br/&gt;Fidelity&lt;sup&gt;&amp;#174;&lt;/sup&gt; Nasdaq Composite&lt;sup&gt;&amp;#174;&lt;/sup&gt; Index Fund&lt;br/&gt;January 28, 2012&lt;br/&gt;Prospectus&lt;/h2&gt;&lt;p align="left"&gt;Effective January 1, 2013, the following information replaces the information under "Shareholder fees" under the heading "Fee Table" in the "Fund Summary" section on page 3.&lt;/p&gt;&lt;table width="95%" border=""&gt;&lt;tr&gt;&lt;td align="left" valign="bottom" colspan="7"&gt;&lt;div align="left"&gt;&lt;font size="2"&gt;&lt;b&gt;Shareholder fees&lt;/b&gt;&lt;/font&gt;&lt;br/&gt;&lt;font size="-2"&gt;&lt;b&gt;(fees paid directly from your investment)&lt;/b&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td align="center" valign="bottom"&gt;&lt;div align="right"&gt;&lt;font size="-1"&gt;&amp;nbsp;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td align="left" valign="bottom" colspan="7"&gt;&lt;div align="left"&gt;&lt;font size="-1"&gt;Redemption fee on shares held less than 90 days (as a % of amount redeemed)&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td align="center" valign="bottom"&gt;&lt;div align="right"&gt;&lt;font size="-1"&gt;0.75%&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</fct4:SupplementTextBlock>
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