TORONTO, Feb 13 (Reuters) - Toronto Stock Exchange S&P/TSX composite index .GSPTSE :
* Falls 68.72 points, or 0.39 percent, to 17,764.13 at open.TORONTO, Feb 13 (Reuters) - Toronto Stock Exchange S&P/TSX composite index .GSPTSE :
* Unofficially closes down 11.68 points, or 0.07 percent, at 17,821.17.