CANADA STOCKS-TSX snaps win streak amid broad-based declines

(New throughout, updates prices) TORONTO, April 19 (Reuters) - Canada's main stock index fell on Thursday, pulling back from a four-week high reached the day before, as shares of consumer cyclical and materials companies led broad-based declines. * The Toronto Stock Exchange's S&P/TSX composite index fell 75.55 points, or 0.49 percent, to 15,454.42. It was the first time in six days that the index ended lower. * The consumer discretionary group declined 0.7 percen