TORONTO — North American stock markets plunged for a second day as the U.S. imposed broad tariffs on imports from Canada and Mexico, triggering a continental trade war. The S&P/TSX composite index was down 631.09 points at 24,370.48, after U.S. President Donald Trump’s executive order implementing the tariffs took effect at 12:01 a.m. ET. In

The post Canada and U.S. stock markets plunge for a second day as U.S. tariffs start trade war appeared first on Medicine Hat News.