ETFs gained a reputation for providing investors with low-cost index exposure, but many of the newest funds are actively managed. Some are costly and speculative. What is an ETF investor to do?

Dave Nadig is President and Director of Research at ETF.com, and he shares with us how investors should navigate all of these new products. He helped design and market some of the first exchange-traded funds.

Each week, “At the Money” discusses an important topic in money management. From portfolio construction to taxes and cutting down on fees, join Barry Ritholtz to learn the best ways to put your money to work.