TORONTO, Mar 16 (Reuters) - Toronto Stock Exchange S&P/TSX composite index .GSPTSE :
* Rises 19.44 points, or 0.10 percent, to 18,974.19 at open.TORONTO, Mar 16 (Reuters) - Toronto Stock Exchange S&P/TSX composite index .GSPTSE :
* Unofficially closes down 70.46 points, or 0.37 percent, at 18,884.29.