Consumers are gaining more experience with investing in mutual funds at their banks -- and there's the rub for bankers.

Now that the market for stocks and bonds is slumping, bank customers are learning the hard way that returns on mutual funds can dive as well as soar.

Limited Time Offer

Save $400 off your subscription. Special offer ends April 30, 2017.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.