This is an excerpt from Dollar Scholar, the Money newsletter where managing editor Julia Glum teaches you the modern money ...

There's a well-known saying that compound interest is the “eighth wonder of the world.” While the quote’s origins are debated ...

Compound interest occurs when the interest you earn on investments begins to earn interest on itself. Time is the biggest factor in how well compound interest works. An S&P 500 ETF can be the go-to ...