How Many ETF Ideas Are DOA, Dead on Arrival?

Dave Barger: How many ETF ideas do you think are basically DOA, dead on arrival simply because the investment universe is too small? He says a lot of these sort of narrow ideas end up with like, oh yeah, there are 11 stocks. That's not going to add value as a portfolio manager or as an index provider,. All you're going to do is add liquidity," he says.