TORONTO, Jun 12 (Reuters) - Toronto Stock Exchange S&P/TSX composite index .GSPTSE :
* Rises 343.98 points, or 2.29 percent, to 15,394.90 at open.TORONTO, Jun 12 (Reuters) - Toronto Stock Exchange S&P/TSX composite index .GSPTSE :
* Unofficially closes up 210.28 points, or 1.40 percent, at 15,261.20.