CANADA STOCKS-TSX little changed as banks decline; Valeant jumps

* TSX down 5.13 points, or 0.03 percent, at 15,120.54 * Six of 10 main index sectors advance * Valeant jumps on forecast for strong third-quarter results * BlackBerry slips on day of new smartphone launch By John Tilak TORONTO, Sept 24 (Reuters) - Canada's main stock index was little changed on Wednesday as a decline in the financial sector offset a jump in shares of Valeant Pharmaceuticals International Inc after the drugmaker gave a bullish quarterly outlook. Valeant s