Compound interest is one of the great powers of the financial world. Compound interest can help a 20-year-old become a multimillionaire by retirement age without having to save millions. Whether you ...

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.

While saving money is never a bad idea, investing allows you to earn not only interest on your savings, but compound interest. “Compound interest works by earning interest on the interest already ...