401 k

Advisers often warn against investing in great big funds, because they're slow and bloated. But many 401(k) investors don't have a choice.

You can automate your 401(k) retirement savings through target-date funds. But you need to investigate them before investing in them.

Most 401(k) investors don't know how much their plan is costing them, or even that they're paying the costs.

How expensive is your 401(k) or other workplace retirement plan, and have you done anything to try to bring its costs down?

The plans would let employees control their retirement portfolios, but they would come at a cost.

The Labor Department proposed a new set of rules that would help 401(k) investors to understand the inner-workings of target-date funds.

Nearly three-fourths of 401(k) plan participants aren't on track to replace 70% of their pre-retirement income.

The fees have long been murky, but new rules from the Labor Department will make the charges a little clearer.

An expert's take on the best way for a freelancer to simulate having an employer-sponsored 401(k).

About 80 percent of employers who reduced or suspended their matching contributions said they planned to restore them in 2010, according to a recent study by Hewitt.