Transparent, low-cost exposure to various asset class, along with volumes and flows that provide a helpful gauge for measuring anxiety are some ETF investing tips from Todd Sohn. He discusses ETF investing flows for this month. He talks about how there are early signs that sentiment is shifting from running hot to cooling off and money markets have taken in $750B over the last six months. He suggests keeping an eye on QQQ which has traded at an extreme relative to its trend this month. Tune in to find out more about the stock market today.