Big surge in 401(k) balances, but Americans still not saving enough

Tuesday, 29 Apr 2014 | 1:00 PM ET

A surging stock market has speeded the recovery of many workers' retirement plans over the past few years. CNBC's Sharon Epperson reports on new data that shows a 92 percent gain in the average 401(k) account balance since the market low in 2009.