The threat to put tariffs on all imports from Mexico and Canada sent GM shares lower and stoked fears such a move could impact profit margins.

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,

The latest trade news out of the next Trump administration has markets on the move, hitting big automakers’ shares and the stocks of America’s neighbors. Canadian and Mexican stocks were sliding Tuesday following the news that President-Elect Donald Trump said he would impose stiff tariffs on imports from those countries.

The dollar rallied sharply on Tuesday after U.S. President-elect Donald Trump pledged tariffs on all imports from Canada and Mexico, and additional tariffs on China. Asian stocks declined, giving back some of the robust gains of the previous session,

Donald Trump's proposed tariffs could raise car prices, impacting US and European automakers such as General Motors, Volvo, and Jaguar Land Rover.

Prime Minister Justin Trudeau said that if President-elect Donald Trump follows through on this threat to impose tariffs on Canadian products, he would be raising prices and hurting American businesses.

Donald Trump's tariff plan would affect products from Canada, Mexico, and China. Here's what to know about tariffs, who pays them, and how they work.