USAA S&P 500 Index Member Shares (USSPX) +9 Fund Authority Score - The Skilled Investor's FUND AUTHORITY SCORES for Mutual F... USAA S&P 500 Index Member Shares (USSPX) +9 Fund Authority Score - The Skilled Investor's FUND AUTHORITY SCORES for Mutual Funds and ETFs > US Large Capitalization Stock Mutual Funds & ETFs - Financial Articles, The diversified investment fund strategy of the USAA S&P 500 Index mutual fund Member Shares USSPX . According to its prospectus filing on the U.S. Securities and Exchange Commission EDGAR system, the investment strategy of the USAA S&P 500 Index Member Shares mutual fund targets investment results corresponding to the S&P 500 index. Investments are allocated using about the same weightings as those of the companies that comprise the Standard and Poors 500 composite index. in Public bookmarkswith 500authorityfundindexmembersharesusaausspx