Dow Tumbles, Ending Massive 3 Day Win Streak, Verizon CEO Hans Vestberg

David Faber and Jim Cramer breakdown the drop on stocks. Falling sharply Friday, giving back some of the strong gains experienced in the previous three days to cap another volatile week on Wall Street. Investors focusing back on the coronavirus outbreak as the U.S. became the country with the most confirmed cases overtaking China & Italy. Chevron, Boeing and American Express leading the Dow lower, sliding more than 5% each. Plus, the "Squawk on the Street" gang speaks with Verizon CEO, Hans Vestberg. Hear what he has to say about the coronavirus and how it's impacting his business.