Growth of $10,00001-31-10 
Fund: Vanguard PRIMECAP AdmCategory: Large GrowthIndex: S&P 500 TR
 
 Performance History01-31-10 
 200320042005200620072008200901-10
Total Return %38.018.58.712.511.6-32.334.6-4.8
+/- Index9.37.63.8-3.36.14.78.1-1.2
+/- Category10.98.52.8-1.7-1.78.3-1.10.1
% Rank in Category3118765944849
Fund CategoryLBLBLBLBLGLGLGLG
See fund category codes
         
 Trailing Total Returnsthrough 02-09-10 
 Total Return %+/- S&P 500 TR+/- Morningstar Large Growth TR USD Index % Rank in Cat
1-Day1.640.330.4549
1-Week-2.300.60-0.3848
1-Month-6.44-0.051.2435
3-Month0.682.262.284
Year-to-date-4.31-0.491.2844
1-Year28.402.46-2.2443
3-Year Annualized-1.595.743.0010
5-Year Annualized4.164.233.957
10-Yr Annualized2.063.0110.825
     
 Historical Quarterly Returns 
Q1Q2Q3Q4
2009-5.3914.1414.658.71
2008-6.783.79-9.88-22.38
20070.178.713.74-1.19
20066.89-2.823.744.39
2005-3.881.087.184.35
20045.203.47-0.879.79
2003-0.8216.936.2611.96
S&P 500 index data: S&P 500 Copyright © 2009
Italics indicate Extended Performance. Extended performance is an estimate based on the performance of the fund's oldest share class, adjusted for fees.
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