The share of adult Americans who own stocks is approaching an all-time high of 63%, which may explain why events such as the surge in "meme" stocks like GameStop gets such generous play in the news.

This column continues the theme of last week’s article, “The Best US Stock Index Funds.” (You probably figured that from the headline.) Once again, the goal is to identify the leading equity index ...

This column follows last month’s “The Best S&P 500 Funds.” The challenge for that article was winnowing the field. Several dozen mutual funds and exchange-traded funds have “500” in their names, but ...