Simple interest works in your favor when you borrow money, while compound interest is better for you as an investor.

CNBC Select defines compound interest, how it works and ways to take advantage of it if you're looking for a new credit card or somewhere to stash your cash.

Learn what compound interest is, how it’s calculated—from annual rates to continuous compounding—and why it’s powerful for savings (and dangerous for debt).

Albert Einstein supposedly called compound interest the eighth wonder of the world, and once you understand how it works, you’ll see why. This isn’t just feel-good financial advice — it’s the ...

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