CANADA STOCKS-TSX falls as financials and resource stocks slide

(Adds portfolio manager comments, details on Canadian Western

Bank; updates prices)

* TSX closes down 157.95 points, or 1.14 percent, at

13,707.68

* Index touches its lowest since April 18 at 13,599.93

* Eight of the index's 10 main groups end lower

By Fergal Smith

TORONTO, May 3 (Reuters) - Canada's main stock index fell to

a two-week low on Tuesday as lower commodity prices weighed on

energy and materials stocks, while financials dropped after

Canadian Western Bank set

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