'Investors should look at this as an opportunity' after Dow drops more than 750 points

China is moving to stabilize the Yuan after the Dow had the worst day in 2019 history. Yahoo Finance's YFi AM talks to David K. Donovan, Executive Vice President of Financial Services at Publicis Sapient, to hear how U.S. companies, like Apple, are feeling the impact and why investors 'should look at this as an opportunity to pick up some high quality companies."