Is the S&P 500 All You Need to Retire a Millionaire?

Is the S&P 500 All You Need to Retire a Millionaire?

The good news is that you don't need to be rich or a stock market whiz to become a millionaire. In fact, all you need is the S&P 500. The S&P 500 is a stock market index that includes 500 of the largest publicly traded companies in the United States.