I'm moving money out of my high-yield savings account and into investments in my Roth IRA. Read on to learn why -- and why ...

The average can vary dramatically by age group, and the average and median 401(k) balances are very different.

Mary Long: For my fellow Motley Fool Money co-host Ricky Mulvey ... Because you go from, rolling over your retirement account, basically, to now, OK you're talking about stocks for a living.