The short answer to "what is an index fund" is that it provides low-cost, broad-based exposure to the stock market. But is it the right way for you to invest?

There are several excellent S&P 500 index funds in the market, but one that Buffett has owned in Berkshire Hathaway 's ...

The S&P 500’s record concentration to a handful of stocks at a time of relatively high valuations makes a case for broadening ...