Exchange-traded funds or ETFs are attracting assets because they're a low-cost way to gain access to stocks, bonds and commodities. But the ETF experience is not flawless, and if you're new to this you might be wondering, just what is an ETF?
For many investors, the idea of who their manager is can be amorphous. For Ric Edelman, though, his job is simple: Just think of him as the guy who changes the oil in your car.
As fears recede about a dreaded hard landing in China, investors have been pouring money back into emerging markets exchange traded funds in the past few months.
A CNBC reporter since 1990, Pisani reports on Wall Street and the stock market from the floor of the New York Stock Exchange. Follow him on Twitter @BobPisani.