New York (CNN Business) Stocks plunged Monday and the market has unnerved investors during the past two weeks with its gut-wrenching ups and downs. But if you're a long-term investor, what should you do with a 401(k), IRA or 529 savings plan for your kids' college tuition?

Stay the course.

CNN Business spoke with five top money managers to get advice about how to navigate these increasingly stormy market seas and find out how investors are managing during these choppy times.

All of them said now is a good time to reassess your goals and investing strategy -- but not to panic and rush into bonds or cash. For most investors, especially younger ones, stocks will give you the best chance of solid returns over the long haul.

"Many people are saving for 30 years or more before they reach retirement age, and will see all kinds of market swings in that period -- so it's important not to make any changes based on short-term market events,' said Fidelity spokesman Mike Shamrell in an email to CNN Business.

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