S&P 500 index funds like VFIAX and SWPPX can be an easy and inexpensive way to round out most investment portfolios. Many, or all, of the products featured on this page are from our advertising ...

This year has been a fantastic one for stocks, from the moment the S&P 500 confirmed a bull market back in January to today, with the three major benchmarks heading for double-digit annual gains.

The S&P 500 stock market index includes around 500 large companies. Learn more about what criteria qualify an S&P 500 company and which businesses made the list. Many, or all, of the products ...