TSX rises, buoyed by resource and energy gains

TORONTO (Reuters) - Canada's main stock index rose in morning trading on Wednesday, mirroring global stock market gains, as resource and energy stocks helped lead the market higher. Trading, which resumed after a long Christmas break, is expected to be lighter than usual, however, due to the holiday shortened work week. The most influential movers on the index included Barrick Gold , which rose 2.6 percent to C$20.21, and Potash Corp , which advanced 2.3 percent to C$24.95. The overall materials