CANADA STOCKS-TSX falls 1 pct on Valeant plunge, resource slip
* TSX ends down 137.73 points, or 1 percent, at 13,704.19
* Seven of the TSX's 10 main groups fall
By Alastair Sharp
TORONTO, Oct 21 (Reuters) - A plunge in shares of Valeant Pharmaceuticals International Inc helped push Canada's main stock index down 1 percent on Wednesday, with falls in the price of oil and other commodities weighing on energy and mining stocks.
Valeant slid 19.2 percent to C$154.21 after an influential short-seller accused the company of using specialty pharmacies to inflate its revenue, an allegation the drugmaker denied. It fell as much as 40 percent during the session.
After Valeant, 23 of the next 25 most influential decliners were either energy or materials stocks.
The other top non-resource weight was technology company Celestica Inc, which fell 15.2 percent to C$14.45 after its earnings and outlook missed expectations.
"This market is getting more difficult to move on," said Kevin Headland, a director of capital markets and strategy at Manulife Asset Management.
"Based on North American valuations, the S&P 500 and TSX - valuations are fair to high. You have to look at specific individual companies and try to unearth some value there." Continued...