TORONTO, Oct 26 (Reuters) - Canada's main stock index ended lower on Wednesday as Canadian National Railway Co CNR.TO , the country's biggest railway, fell after reporting a dip in quarterly revenue, and energy and materials stocks slipped on lower commodity prices and renewed concerns about their outlook for growth.
The Toronto Stock Exchange's S&P/TSX composite index .GSPTSE unofficially closed down 63.07 points, or 0.42 percent, at 14,807.56. It has lost more than 150 points since hitting a near 16-month high on Monday.