TORONTO, Mar 24 (Reuters) - Toronto Stock Exchange S&P/TSX composite index .GSPTSE :
* Rises 74.58 points, or 0.40 percent, to 18,744.38 at open.TORONTO, Mar 24 (Reuters) - Toronto Stock Exchange S&P/TSX composite index .GSPTSE :
* Unofficially closes down 41.29 points, or 0.22 percent, at 18,628.51.