CNBC’s Bob Pisani speaks with Dave Nadig, chief investment officer and director of research at ETF Trends and ETF Database, and Chris Hempstead, director of institutional business development at IndexIQ. They discussed exchange-traded note delistings and the risks they pose to investors, gold’s winning streak this year, online retail, and some top headlines in the ETF space. In the markets 102 segment Bob discusses the work from home ETF.