ETF Edge, December 18, 2019

1:32 PM ET Wed, 18 Dec 2019

CNBC's Bob Pisani recaps 2019 and the past decade in the exchange-traded fund industry with Jay Jacobs, head of research and strategy at Global X ETFs, John Davi, founder and chief investment officer at Astoria Portfolio Advisors and Brendan Ahern, chief investment officer of KraneShares.