Stocks sink on tariff worries with China

Stocks are sinking in reaction to President Trump's threat of additional tariffs on China. This coming as White House Economic Advisor Larry Kudlow says the President believes trade talks with China aren't moving fast enough. Simon Lester of Cato Institute joins Yahoo Finance's Zack Guzman and Emily McCormick, along with Kathryn Tuggle, HerMoney Editor-in-Chief, to discuss.