U.S. Stock Market Opens; Fears Of Coronavirus Cause Plunge NPR | By Scott Horsley, Noel King Published March 9, 2020 at 6:58 AM AKDT Facebook Email Listen • 1:53 Oil markets crashed and stocks plunged on Monday as a sudden clash among the world's biggest oil producers gave already rattled investors another reason to worry about the global economy. Copyright 2020 NPR