An exchange-traded fund (ETF) is an investment fund that holds multiple underlying assets and can be bought and sold on an exchange, much like an individual stock. ETFs can be structured to track ...

There's no question that exchange-traded funds have become a major part of the investor's toolkit. "ETFs are similar to ...

Diversification starts at the fund level. Many of the equity strategies we rate highest, like Gold-rated Vanguard Total Stock Market ETF VTI, own hundreds or even thousands of stocks. That way ...