CANADA STOCKS-TSX drops to 1-month low on S&P's US outlook By: Reuters: Company News April 18, 2011 at 17:11 PM EDT * S&P revises U.S. long-term outlook to negative (Updates with details) Read More >> Related Stocks: Bombardier Google, Inc. Imperial Oil Limited Marsh & McLennan Mobile Platforms Research In Motion Limited S&P/TSX Composite Sempra Energy Suncor Energy Inc Teck Cominco Limited Toronto-Dominion Bank