Dec 27 (Reuters) - Canada's main stock index surged more than 2 percent on Thursday, on track for its biggest one-day percentage gain in nearly three years, helped by gains across all major sectors.
* At 9:42 a.m. ET (1442 GMT), the Toronto Stock Exchange's S&P/TSX Composite index .GSPTSE was up 278.75 points, or 2.02 percent, at 14,058.94.
* TSX rose after snapping a four-day losing streak with energy stocks leading gains, indicating that investors were slowly stepping back into the commodity-linked market, as oil is one of Canada's biggest exports.
* The energy sector .SPTTEN surged 3.9 percent, followed by a 3.6 percent gain in the technology sector .SPTTTK .
* The financials sector .SPTTFS gained 1.8 percent, while the industrials .GSPTTIN rose 2.4 percent.
* The materials sector .GSPTTMT , which includes precious metal miners, added 1.4 percent on rise in gold prices helped by a weaker dollar and a rebound in copper prices. GOL/ MET/L
* On the TSX, 226 issues were higher, while 14 issues declined for a 16.14-to-1 ratio favouring gainers, with traded volume touching 20 million shares.
* Top percentage gainers on the TSX were shares of energy company Encana Corp ECA.TO , which soared 12 percent, followed by shares of online retailer Shopify Inc SHOP.TO , which climbed 11 percent.
* Department store retailer, Hudson's Bay Co HBC.TO , fell 0.5 percent, the most on the TSX.
* The most heavily traded shares by volume were of Aphria Inc APHA.TO , Pengrowth Energy Corp PGF.TO and Aurora Cannabis Inc ACB.TO .
* The TSX posted one new 52-week high and four new lows.
* Across all Canadian issues, there were two new 52-week highs and 55 new lows, with total volume touching 37.63 million shares.