The trade deal with Japan is also giving investors hope that there could be similar reductions on tariffs for vehicles imported from other countries—including trade agreements that would benefit U.S.

TOKYO--General Motors thinks Japan is ready for an American-brand small car and is banking on the Chevrolet Aveo, its first small-car entry in half a decade in Japan, to help boost sales here this ...

Trump announced Tuesday that the U.S. had reached a “massive” deal with Japan to levy 15 percent tariffs on Japanese imports — including automobiles and auto parts — instead of the 25 percent rate he threatened earlier this month.