CANADA STOCKS-TSX plunges 4 percent as oil prices fall
August 08, 2011 at 14:36 PM EDT
TORONTO, Aug 8 (Reuters) - Toronto's main stock market index plunged 4 percent on Monday to hit a near one-year low, mirroring U.S. stocks and the price of oil, as a downgrade of the U.S. credit rating shook investor confidence globally.