MindMoneyMRKT on Instagram: "John C. Bogle founded The Vanguard Group in 1975 and fundamentally reshaped global investing by championing low-cost, passive index funds. In 1976, he launched the world’s first retail index mutual fund tracking the S&P 500, a move widely mocked at the time but later proven transformative as fees were shown to be one of the strongest predictors of long-term returns. Bogle structured Vanguard as a client-owned firm, meaning investors—not outside shareholders—benefit f