Canada's main stock index down slightly, U.S. indexes more volatile

TORONTO - Canada's main stock index was down marginally in a broad decline that included one of Canada's cannabis producers. The S&P/TSX composite index was down 11.51 points at 16,561. CannTrust Holdings was down 22 per cent at $2.67 at 11 a.m. following a media report that company heads were aware of pot cultivation in rooms without government approval months before Health Canada discovered the illicit activity. In New York, the Dow Jones industrial average was down 134.79 points at 27,214