John C. Bogle, who simplified investing for the masses by launching the first index mutual fund and founded Vanguard Group, died Wednesday, the company said. He was 89. Bogle did not invent the index fund, but he expanded access to no-frills, low-cost investing in 1976 when Vanguard introduced the first index fund for individual investors, rather than institutional clients. The emergence of funds that passively tracked market indexes, like the Standard & Poor’s 500, enabled investors to avoid the higher fees charged by professional fund managers who frequently fail to beat the market. More often than not, the higher operating expenses that fund managers pass on to their shareholders cancel out any edge they may achieve through expert stock-picking. Mutual fund industry critic Bogle and Vanguard shook up the industry…