If Your 401(k) Is a Dud, Here's What You Should Do

For this episode of Motley Fool Answers , Robert Brokamp and Alison Southwick do a deep dive into perhaps the most popular form of retirement account in America: the 401(k). Between that and similar defined-contribution plans, we were holding $7.7 trillion at the end of 2017 -- a remarkable sum, and yet most people still aren't saving enough.

But our contributions are only one piece of the puzzle. The other big one is return on investment, and in this area, there's wide divergence.