"If that is not the case, a Tariff of at least 25% must be paid by Apple to the U.S.," Trump wrote on Truth Social on Friday.

President Trump threatened to revive his global trade wars Friday morning, saying he would apply a steep tariff to European exports starting in just over a week and warning Apple that iPhones manufac...

Apple would have to buy new machines and rely on more automation than it uses in China because the U.S. population is so much smaller, Mr. Lam said.