Is the S&P 500 All You Need to Retire a Millionaire?
In many cases, all it takes is one simple, often-overlooked investment: The S&P 500 (SNPINDEX: ^GSPC). The S&P 500 is an index that tracks 500 of the largest public U.S. companies by market cap, making it the benchmark for the U.S. stock market. When people refer to the stock market's performance broadly, they're often referring to the S&P 500.