Supplement to the Prospectuses and Summary ... - Vanguard

online@vanguard.com. Vanguard 500 Index Fund Summary Prospectus The Securities and Exchange Commission (SEC) has not approved or disapproved these securities or passed upon the adequacy of this prospectus. Any representation to the contrary is a criminal offense. ... Vanguard 500 Index Fund Investor Shares Return Before Taxes –4.52% 8.34% 12.97% ................
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