TORONTO, Dec 18 (Reuters) - Toronto Stock Exchange S&P/TSX composite index .GSPTSE :
* Falls 28.16 points, or 0.16 percent, to 17,047.04 at open.TORONTO, Dec 18 (Reuters) - Toronto Stock Exchange S&P/TSX composite index .GSPTSE :
* Unofficially closes down 43.22 points, or 0.25 percent, at 17,031.98.