President-elect Donald Trump’s plan to hit imports from China, Canada and Mexico with tariffs could deal a blow to companies across North America and trigger negative consequences for the global supply chain, according to experts. Trump said that on his first day back in office on Jan. 20, he will impose 25% tariffs on goods from Mexico and Canada. The tariffs are aimed at pressuring those countries to stop drugs and illegal migrants from crossing into the U.S., Trump posted on Truth Social on Nov. 25. He has also said he’ll impose…