Compound interest is interest that's calculated on both the initial principal of a deposit or loan and on all accumulated interest. It's a tremendous advantage for savers and investors but not so much ...

Albert Einstein famously called compound interest “the eighth wonder of the world.” Understanding compound interest can help your money work for you — not against you. But what exactly is compound ...

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.