Americans are waking up to the fallout from Trump's tariffs

Open this photo in gallery: A commercial truck drives towards the Ambassador Bridge to Windsor, Ont. from Detroit, Mich., on March 3.Rebecca Cook/Reuters As U.S. President Donald Trump looks poised to follow through on his tariff threats, American companies, consumers and investors are finally getting nervous. U.S. stock markets sold off sharply on Monday when the President said that he would proceed with 25-per-cent tariffs on Canada and Mexico on Tuesday. The S&P 500 index ended down 1.8 per cent while the Nasdaq Composite was down 2.6 per cent. Meanwhile, a batch of recent surveys have shown a sharp drop…