CANADA STOCKS-Valeant surges, but energy, banks keep TSX down

* TSX closes down 7.56 points, or 0.06 percent, at 11,941.70
* Banks and oil companies push index lower
* Crude, Europe add to unease
* Valeant surges 15 pct after announcing acquisition

By Alastair Sharp
TORONTO, Sept 4 (Reuters) - Canada's main stock index closed
slightly lower on Tuesday, weighed down by heavyweight energy
and bank stocks that offset surging Valeant Pharmaceuticals
International Inc, which said it would buy a rival.
Energy companies were hit especiall

attorney mesothelioma