CNBC’s Bob Pisani spoke with Nate Geraci, President of The ETF Store, and D.J. Tierney, Director and Senior Investment Portfolio Strategist at Schwab Asset Management. Following a wild first quarter for the markets, they discussed the flowdown – breaking down the biggest winners and losers as ETF investors look ahead to April. Even though stock and bond ETFs have on the whole seen inflows, money poured in at a much slower pace than they did the same time a year ago. What can investors expect in Q2? In the “Markets 102” portion, Bob continued the conversation with Nate Geraci from The ETF Store.