Security and control
One big fear that investors have: If I'm no longer at the company, I no longer have control of my money. Not necessarily true. In many cases, you'll have the same rights to select funds and reallocate your assets whether you work at the old company or not.
Check to see if your 401(k) plan gives you the same access and investment options as current employees, says Natalie Choate, author of "Life and Death Planning for Retirement Benefits."
Also, make sure costs or fees will remain the same and compare those total costs to your IRA options.
"While you can't contribute to the plan or take a loan, your account has all of the same investment options and fiduciary protections, whether you're a current or former employee," says Bogosian.