* At 9:35 a.m. ET (1335 GMT), the Toronto Stock Exchange's S&P/TSX Composite index was up 67.37 points, or 0.41 percent, at 16,466.84.
* Six of the index's 11 major sectors were higher, led by energy shares, which jumped 1.8 percent.
* Brent and U.S. crude prices were up 0.9 percent each. [O/R]
* Oil prices rose as involuntary supply cuts from Venezuela, Libya and Iran supported perceptions of a tightening market, already underpinned by an OPEC deal to cut production.
* Grabbing the spotlight in the U.S. energy sector was Chevron Corp's $33 billion offer to buy smaller rival Anadarko Petroleum Corp.
* The financial sector gained 0.6 percent.
* On the TSX, 162 issues were higher, while 68 issues declined for a 2.38-to-1 ratio favoring gainers, with 12.58 million shares traded.
* The largest percentage gainers on the TSX were Whitecap Resources, which jumped 5.3 percent followed by shares of Baytex Energy Co, which rose 4.6 percent.
* Badger Daylighting fell 4.6 percent, the most on the TSX.
* The most heavily traded shares by volume were Stornoway Diamond, Encana Corp and Baytex Energy Co.
* The TSX posted three new 52-week highs and no new lows.
* Across all Canadian issues there were 32 new 52-week highs and four new lows, with total volume of 19.80 million shares.
(Reporting by Shreyashi Sanyal in Bengaluru)