CANADA STOCKS-TSX falls 5 pct on week; Amaya slumps on raid
* TSX down 173.22 points, or 1.25 percent, at 13,731.90
* Raids by securities regulator sink Amaya's stock
* Energy shares under pressure as oil prices keep dropping (Adds comment, updates prices to close)
By Alastair Sharp
TORONTO, Dec 12 (Reuters) - Canada's main stock index ended 1.25 percent lower on Friday as a raid on the Montreal offices of gaming company Amaya Inc weighed on its shares and those of two financial firms also involved in the securities regulator probe.
The index, buffeted by plunging oil prices that have hit domestic energy producers hard, lost more than 5 percent on the week, its biggest weeklong slip since September 2011.
Banks were among the heaviest weights on the day, as investors added the third of Canada's biggest sectors to the sell-off hitting energy and materials names after an underwhelming earnings season.
"One of the biggest safe havens ... has now become suspect," said Robert McWhirter, chief executive officer of Selective Asset Management. "Even these stocks have the potential to decline."
Insurance company Manulife Financial lost 2.7 percent to C$21.07, and investment bank Canaccord Genuity Group slumped 16 percent to C$6.16 after their offices were raided in connection with the Quebec probe into trading of Amaya's securities. Amaya fell 18.3 percent to C$28.64. Continued...