Trump tariffs hit markets on Monday in early reaction to Canada-U.S. trade war

U.S. stocks sank on Monday morning against the backdrop of a brewing trade war between Canada and the U.S., after President Donald Trump signed an executive order on Saturday imposing a 25 per cent tariff on Canadian goods (10 per cent on oil) and Canada retaliated with its own tariffs.Opening market reaction in the U.S. saw the S&P 500 down 1.7 per cent, while the tech-centric Nasdaq composite tumbled 2.1 per cent. The Dow Jones Industrial Average fell 557 points in early trading.The TSX was do