Daily Crunch 3/13/20

Welcome to TechCrunch daily news, a round up of the top tech news of the day. --A just-approved test could speed up the rate of coronavirus testing --The stock market had a historically bad day yesterday --and Russian trolls shift to outsourcing. Here’s your Daily Crunch for March 13, 2020. First up: The U.S. Learn more about your ad choices. Visit podcastchoices.com/adchoices