CNBC’s Bob Pisani spoke with Dave Nadig, chief investment officer and director of research at ETF Trends and ETF Database, Nick Colas, co-founder of DataTrek Research, and Larry Swedroe, chief research officer at Buckingham Wealth Partners and co-author of “The Incredible Shrinking Alpha. They discussed the markets, why stock-picking has a terrible track record and why it's only getting worse. In the 'markets 102' portion of the podcast, Bob discusses the dynamics behind active and passive strategies.

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