In the two decades through December, the average return of all investors in U.S. stock mutual...

|By:, SA News Editor

In the two decades through December, the average return of all investors in U.S. stock mutual funds was an annualized 4.25% vs 8.2% for the S&P 500. That translates into a difference of $25,467 for an investment of $10,000. "The dismal truth is that over the long run, the average person is a woeful investor," writes the NYT's Jeff Sommer.