TORONTO, Feb 20 (Reuters) - Canada's main stock index see-sawed on Tuesday, with strength in the heavyweight energy sector offseting weakness among mining stocks.
At 9:48AM EST (1448 GMT), the Toronto Stock Exchange's S&P/TSX composite index .GSPTSE rose 6.89 points, or 0.04 percent, to 15,459.53.
* The energy group .SPTTEN climbed 0.4 percent, with Crew Energy Inc CR.TO and Birchcliff Energy BIR.TO both rising 3 percent.
* The largest percentage gainer on the TSX was Capital Power Corp CPX.TO , which rose 4.8 percent, while the largest decliner was Uni-Select Inc UNS.TO , down 14.7 percent.
* Among the most active Canadian stocks by volume were Aurora Cannabis ACB.TO , up 2.1 percent to $10.34; Bombardier B BBDb.TO , unchanged at $3.73 and Canopy Growth Co WEED.TO , up 3.8 percent to $27.51.
* The materials group .GSPTTMT , which includes precious and base metals miners and fertilizer companies, lost 0.6 percent.
* Gold futures GCc1 fell 1.2 percent to $1,337.2 an ounce. GOL/
* Copper prices CMCU3 declined 0.2 percent to $7,104 a tonne. MET/L
* The TSX posted three new 52-week highs and three new lows.
* Canadian wholesale trade fell 0.5 percent due to lower sales in the personal and household goods sector, Statistics Canada said. Analysts surveyed by Reuters had forecast a 0.4 percent increase.