CANADA STOCKS-TSX tumbles on Spain, China worries

* TSX ends down 176.08 pts, or 1.52 pct, at 11,433.22
* Index has shed more than 7 pct in May
* Energy, materials tumble on Spain, China woes
* RIM's shares plunge more than 7 pct

By Jon Cook
TORONTO, May 30 (Reuters) - Toronto's main stock index hit a
one-week low on Wednesday as oil and gas and mining firms
slumped on increased global growth fears, fueled by the
escalating euro zone debt crisis and signs from China that it is
not planning a large economic stimulus.
R

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