Summary: As stocks plummet, there have been calls to close the markets. But the counter-argument is that it would starve companies of capital and make it impossible for investors to liquidate their assets. Dan digs in with Tal Cohen, the Nasdaq's head of North American markets. PLUS: Uber asks Trump not to forget about gig economy workers and big streaming strains on our broadband. Learn more about your ad choices. Visit megaphone.fm/adchoices
