President Trump threatened import tariffs on Canada, Mexico, and China, all of which are important markets for Magna International.

Canada's auto-part manufacturers were hard-pressed. Magna International, Linamar and Martinrea International declined significantly. Magna shares fell 6.5% to 53.88 Canadian dollars ($37.07), while ...

Toromont Industries said it acquired a majority interest in AVL Manufacturing, a maker of power-generation and storage enclosures in Ontario. The Toronto-based specialized-equipment company said it ...