TORONTO, Aug 25 (Reuters) - Toronto Stock Exchange S&P/TSX composite index .GSPTSE :
* Rises 28.30 points, or 0.17 percent, to 16,654.94 at open.TORONTO, Aug 25 (Reuters) - Toronto Stock Exchange S&P/TSX composite index .GSPTSE :
* Unofficially closes down 4.00 points, or 0.02 percent, at 16,622.64.