The union win, at a Philadelphia store where workers are seeking higher wages, comes as Amazon is also fighting organizing efforts among some warehouse employees and delivery drivers.
General Motors, the largest producer of cars in Mexico, won’t provide details on how it would react if President Trump imposes 25 percent tariffs from the two countries.
Investors around the world are reassessing the prospects for technology companies after a Chinese artificial intelligence start-up rocked markets in the United States on Monday.