06/25/2012 10:10 am ET Updated Aug 25, 2012

Is Your 401(k) Ripping You Off?

If you're a typical 401(k) investor, perhaps you check your account now and then to see how your investments are doing. Or maybe you just let them ride. One thing is almost certain: You don't know how much you're paying in management fees. We're not saying that because it's human nature. (Though it is.) We're saying it because until now it's been almost impossible for a regular person to monitor.