From Yahoo Finance:

With just $500, investing in an index fund like the Vanguard S&P 500 ETF is a smart move. Warren Buffett himself recommends this fund, as he also holds S&P 500 index funds in his huge portfolio. This fund provides instant diversification by giving you a piece of America’s top 500 companies. With an expense ratio of only 0.03%, your $500 investment goes a long way. The S&P 500 has a history of resilience and growth, making it a solid long-term investment. Consider allocating your first $500 into the Vanguard S&P 500 ETF for a strong start in your investing journey.



Read more at Yahoo Finance: Got $500 to Invest in Stocks? Put It in This Index Fund.