TORONTO, Nov 21 (Reuters) - Toronto Stock Exchange S&P/TSX composite index .GSPTSE :
* Rises 13.71 points, or 0.08 percent, to 17,019.53 at open.TORONTO, Nov 21 (Reuters) - Toronto Stock Exchange S&P/TSX composite index .GSPTSE :
* Unofficially closes down 6.63 points, or 0.04 percent, at 16,999.19.