TORONTO, Aug 9 (Reuters) - Canada's main stock index opened higher on Tuesday, extending its strongest level in over a year, helped by a jump in shares of Valeant Pharmaceutical International Inc VRX.TO after the drug company stood by its full-year forecast.
The Toronto Stock Exchange's S&P/TSX composite index .GSPTSE was up 37.26 points, or 0.25 percent, at 14,792.88. All 10 main groups were higher.