Sept 16 (Reuters) - Canada's main stock index held at all-time highs on Monday as energy stocks were on track to post their best day in nearly three years after an attack on Saudi Arabian oil facilities sent oil prices soaring.
* At 19:11 a.m. ET (13:41 GMT), the Toronto Stock Exchange's S&P/TSX composite index .GSPTSE was up 49.12 points, or 0.29%, at 16,731.54, staying near Friday's record high.
* The energy sector .SPTTEN jumped 6.8%, set to log its biggest one-day percentage gains since November 2016 as an attack on Saudi Arabia that shut 5% of global crude output triggered the biggest surge in oil prices in 28 years. O/R
* The most heavily traded shares by volume were oil producers and explorers Encana Corp ECA.TO , Crescent Point CPG.TO , and Baytex Energy Co BTE.TO .
* The materials sector .GSPTTMT , which includes precious and base metals miners added 1% after gold prices jumped as investors sought safety in the precious metal. GOL/
* On the TSX, 117 issues were higher, while 117 issues declined, with 35.43 million shares traded.
* The largest percentage gainer on the TSX was Dream Global Real Estate Investment Trust DRG_u.TO , which jumped 17% after it said funds managed by Blackstone (NYSE:BX) Group Inc BX.N would buy the Canadian firm in a C$6.2 billion ($4.69 billion) deal. SNC Lavalin SNC.TO fell 4.5%, the most on the TSX, followed by Western Forest WEF.TO , down 3.8%.
* The TSX posted two new 52-week highs and one new low.
* Across all Canadian issues there were 21 new 52-week highs and three new lows, with total volume of 51.44 million shares.