Stocks shrug off a new Trump tariff threat as the president-elect vows sweeping levies on the biggest U.S. trading partners.

Trump said in a post on Truth Social that on his first day in office he would impose a 25% tariff on all products from Mexico and Canada, and an additional 10% tariff on goods from China, citing concerns over illegal immigration and the trade of illicit drugs.

General Motors, Ford and Stellantis shares slid Tuesday after President-elect Trump threatened 25% tariffs on all imports from Canada and Mexico. The move by the new administration would likely stop American car demand in its tracks,