More Americans own stocks than ever before, yet the passive index funds they favor are facing increasing partisan criticism. Here's why ...

Both indexes currently show the dollar overvalued against most currencies. But the Big Mac Index puts the average overvaluation at 24 percent — a Whopper.

Heading South Friday's column showed how excess returns for the average diversified U.S. stock fund have slipped. Five years ago, the typical actively managed fund comfortably had beaten its ...

If the natural data can't support the sorting and filtering requirements, you might need to add an index column and sort by it.

Investing through index funds is more popular than ever, so why is it becoming controversial? Index fund investing has had a huge effect on the stock market.