March 25 (Reuters) - Canada's main stock index extended losses on Monday from its sharpest decline this year in the previous session, as investors fled riskier assets on concerns over a softening global economy.
* At 9:59 a.m. ET (1359 GMT), the Toronto Stock Exchange's S&P/TSX composite index .GSPTSE was down 50.65 points, or 0.31 percent, at 16,038.68.
* The energy sector .SPTTEN posted the steepest drop of 1.2 percent as U.S. crude CLc1 prices were down 0.5 percent a barrel, while Brent crude LCOc1 lost 0.2 percent. O/R
* However, gains in mining stocks, which got a lift from investors flocking to the safe-haven bullion, countered heavy losses in the energy sector.
* The materials sector .GSPTTMT added 0.6 percent as spot gold XAU= gained 0.5 percent to $1,319.61 an ounce. GOL/ MET/L
* The financials sector .SPTTFS , which accounts more than a third of the main index's weight, slipped 0.5 percent. The industrials sector .GSPTTIN fell 0.3 percent.
* On the TSX, 110 issues were higher, while 123 issues declined for a 1.12-to-1 ratio to the downside, with 17.98 million shares traded.
* The largest percentage gainers on the TSX were Cronos Group Inc CRON.TO and TransAlta Corp TA.TO , which rose 5.9 percent and 4.6 percent, respectively.
* Interfor Corp IFP.TO fell 3.3 percent, the most on the TSX.
* The second-biggest decliner was Kirkland Lake Gold Ltd KL.TO , down 3.2 percent.
* The most heavily traded shares by volume were Aurora Cannabis ACB.TO , Bombardier Inc BBDb.TO and Hexo Corp HEXO.TO .
* The TSX posted 12 new 52-week highs and two new lows.
* Across all Canadian issues, there were 36 new 52-week highs and 10 new lows, with total volume of 56.24 million shares.