Canadian shares claw for daily, weekly gains By: MarketWatch June 26, 2009 at 15:17 PM EDT Canadian shares struggled to post daily and weekly gains Friday as a pullback in commodities prices and U.S. stocks weighed on the Toronto benchmark. Read More >> Related Stocks: Agrium, Inc. Bank of Montreal Barrick Gold Corporation Dow Jones Industrial Average (EOD) Potash Corporation of Saskatchewan Royal Bank of Canada Shaw Communications Toronto-Dominion Bank