CANADA STOCKS-TSX closes up; markets eye "fiscal cliff" talks

TORONTO, Dec 31 (Reuters) - Canada's main stock index closed higher on Monday, boosted by materials stocks as U.S. lawmakers continued with last-ditch talks to avert the "fiscal cliff". The Toronto Stock Exchange's S&P/TSX composite index unofficially closed up 117.41 points, or 0.95 percent, at 12,433.53.