Jan 30 (Reuters) - Canada's main stock index fell to a more than seven-week low on Tuesday as the heavy-weight energy sector was pulled down by weaker oil prices for the second straight day.
* At 10:14 a.m. ET (1514 GMT), the Toronto Stock Exchange's S&P/TSX composite index .GSPTSE was down 109.83 points, or 0.68 percent, at 15,984.89.
* The index touched a session low of 15,965.04, its weakest level since Dec. 7 and joining a sell-off in stocks world-wide. MKTS/GLOB
* The energy group .SPTTEN retreated 2.5 percent as U.S. crude CLc1 prices were down 2.1 percent at $64.21 a barrel amid signs of rising U.S. crude output. O/R
* Suncor Energy SU.TO was the biggest drag on the index, down 1.4 percent at C$44.88, while Canadian Natural Resources CNQ.TO declined 1.9 percent to C$42.84.
* Shares of Thomson Reuters TRI.TO bucked the downward trend, up 10.3 percent at C$59.13 after sources said Blackstone (NYSE:BX) Group BX.N was in advanced talks to buy a majority stake in a key Thomson Reuters unit. Gold producers .SPTTGD also helped temper the Toronto market's overall weakness, up 0.2 percent, rebounding from the previous sessions' weakness as gold prices recovered. Barrick Gold ABX.TO rose 0.6 percent to C$17.78. GOL/
* The TSX posted two new 52-week highs and six new lows. Across all Canadian issues there was one new 52-week high and 24 new lows.
* Among the most active Canadian stocks by volume were Aurora Cannabis ACB.TO , down 7.5 percent at $11.99; Bombardier B BBDb.TO , down 4.7 percent at $3.43 and Canopy Growth Co WEED.TO , down 7.2 percent at $30.72.
* Volume on the TSX index was 50.74 million shares.