The S&P 500 index fund tracks the top 500 companies in the US, while a total stock market index fund tracks the entire stock market, including large, mid, and small-cap companies—thousands of them. The total stock market fund offers broader diversification.
This video explains how index fund investing helped the speakers, Christina and Aman, accumulate millions of dollars and achieve financial independence. The video details their investment strategy, focusing on specific index funds from Vanguard, Schwab, and Fidelity, and offers advice for new investors.