General Motors GM.N and the United Auto Workers (UAW) union have reached a tentative agreement, the UAW announced Monday, ending walkouts that have cost Detroit’s largest automaker more than $400 million a week .
The agreement comes after UAW President Shawn Fain ordered a surprise walkout Saturday at GM’s Spring Hill, Tenn., manufacturing complex, which supplies engines to some of North America’s most popular vehicles. and GM’s most profitable.