The other day, I overheard my daughter explaining compound interest in the most brilliant way. She said, “Your money has money babies. Then those babies have more money babies. And they have more ...

Compound interest can help turbocharge your savings and investments, or it can quickly lead to an unruly balance, keeping you stuck in a cycle of debt. Its magic can help you earn more — or owe more.

The most powerful force in the world of investing is compound interest. In fact, Albert Einstein once called compound interest the “eighth wonder of the world!” But what is compound interest? Why was ...