Automakers help restart U.S. industry as globe reopens further

United Auto Workers members leave the Fiat Chrysler Automobiles Warren Truck Plant after the first work shift, Monday, May 18, 2020, in Warren, Mich. Fiat Chrysler Automobiles NV along with rivals Ford and General Motors Co., restarted the assembly lines on Monday after several week of inactivity due to the corona virus pandemic. (AP Photo/Paul Sancya)

WARREN, Mich. — More than 130,000 autoworkers returned to factories across the U.S. for the first time in nearly two months Monday in one of the biggest steps yet to restart American industry, while an experimental vaccine against the coronavirus yielded encouraging results in a small and extremely early test.