CNBC's Bob Pisani spoke with Todd Rosenbluth, senior director of ETF and mutual fund research at CFRA Research, Jay Jacobs, Head of Research and Strategy at Global X Funds, and Mona Naqvi, Head of ESG Index Strategy at S&P Dow Jones Indices. Today they discussed the top thematic tech and software plays, what the world's biggest IPO could mean for ETFs, and why ESG has been so strong and the possible challenges ahead. In the markets 102 segment, Bob discussed the Dow's big shakeup and what it could mean for your money.