The expense ratio of funds matters. Back in 2010, Morningstar found that the best predictor of future returns was a low expense ratio. This beat every other indicator, including Morningstar stars.

An expense ratio is the amount of money you pay over the course of a year to own a mutual fund or an exchange-traded fund (ETF). It's what an investment company charges investors and represents all of ...

When it comes to investing in mutual funds or exchange-traded funds (ETFs), one of the most important factors to consider and understand is the expense ratio. An expense ratio measures how much you’ll ...

Exchange-traded funds (ETFs) and mutual funds both come with ongoing costs, but not all investors will understand exactly how these costs are calculated. A fund's expense ratio is simply the annual ...