CANADA STOCKS-TSX edges lower as materials weigh By: Reuters: Company News April 25, 2018 at 10:35 AM EDT April 25 (Reuters) - Canada's main stock index edged lower on Wednesday, as worries over rising U.S. yields weighed on materials stocks. Read More >> Related Stocks: Arc Energy Trust Uni Aurora Cannabis Inc Cenovus Energy Inc Frontier 100 Ishares MSCI ETF Inter Pipeline Fd A Katanga Mining Ltd Teck Cominco Limited