When Markets React When markets shift, experienced investors stick to their strategy. Related Content Saving for College This calculator can help you estimate how much you should be saving for college. What to Do When You Lose Your Wallet Ever lost your wallet? Frustrating. Here’s what you can do to keep yourself safe. The Rule of 72 Do you know how long it may take for your investments to double in value? The Rule of 72 is a quick way to figure it out.