TORONTO, Dec 6 (Reuters) - Toronto Stock Exchange S&P/TSX composite index :
* Rises 82.51 points, or 0.49 percent, to 16,937.43 at open.TORONTO, Dec 6 (Reuters) - Toronto Stock Exchange S&P/TSX composite index :
* Unofficially closes up 142.05 points, or 0.84 percent, at 16,996.97.