* TSX up 145.94 points, or 1.09 percent, at 13,485.68
* Nine of the TSX's 10 main groups rise
* Suncor's bid for Canadian Oil Sands boosts energy shares
TORONTO, Oct 5 (Reuters) - Canada's main stock index jumped on Monday, with Canadian Oil Sands catapulting 47 percent higher on Suncor Energy Inc's hostile C$4.3 billion ($3.3 billion) bid for its rival and co-producer in the country's oil sands industry.
The push higher in Canadian Oil Sands stock - to C$9.06, higher than the all-stock offer value of C$8.84 a share - carried the overall energy group up 2.8 percent.
The Toronto Stock Exchange's S&P/TSX composite index was up 145.94 points, or 1.09 percent, at 13,485.68 by 10:11 a.m. (1411 GMT). There were 13 advancing issues for every decliner, with six new 52-week highs and no new lows.
Suncor slipped 2.3 percent to C$34.57.
Nine of the index's 10 main sectors were higher, with healthcare bucking the trend with a 1.2 percent slip. Heavyweight Valeant Pharmaceuticals fell 7.8 percent to C$220.96 amid heavy criticism of its pricing practices.
Other major energy gainers included Canadian Natural Resources Ltd, which rose 4.9 percent to C$27.37, and Crescent Point Energy Corp advanced 4.8 percent to C$17.33.
U.S. crude prices were up 1.8 percent to $46.36 a barrel, while Brent crude added 2.4 percent to $49.28.
Banks were also propping up the index, with Toronto-Dominion Bank adding 1.2 percent to C$52.25 and Bank of Nova Scotia advancing 1 percent to C$57.77.
Financials overall climbed 1.2 percent.
Investors will be sifting though the implications of the most sweeping trade liberalization pact in a generation, reached on Monday by Pacific trade ministers. The deal will cut trade barriers and set common standards for 12 countries. (Reporting by Alastair Sharp; Editing by Chizu Nomiyama and W Simon)