Learn how CDs pay compound interest and how it affects their annual percentage yield (APY) to maximize your savings strategy ...

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.

Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. Charlene Rhinehart is a CPA , CFE, chair of an Illinois CPA Society ...