Sept 21 (Reuters) -
* The Toronto Stock Exchange's S&P/TSX .GSPTSE rose 10.25 points, or 0.06 percent, to 16,225.00.
* Leading the index were AltaGas Ltd ALA.TO , up 5.9 percent, Gibson Energy Inc GEI.TO , up 5.1 percent, and Uni-Select Inc UNS.TO , higher by 5 percent.
* Lagging shares were Trican Well Service Ltd TCW.TO , down 6.2 percent, Alacer Gold Corp ASR.TO , down 4.6 percent, and Canopy Growth Corp WEED.TO , lower by 4.6 percent.
* On the TSX 125 issues rose and 115 fell as a 1.1-to-1 ratio favored advancers. There were 9 new highs and 5 new lows, with total volume of 462.8 million shares.
* The most heavily traded shares by volume were Aurora Cannabis Inc ACB.TO , Canadian Natural Resources Ltd CNQ.TO and Guyana Goldfields Inc GUY.TO .
* The TSX's energy group .SPTTEN rose 1.49 points, or 0.79 percent, while the financials sector .SPTTFS climbed 0.23 points, or 0.07 percent.
* West Texas Intermediate crude futures CLc1 rose 0.74 percent, or $0.52, to $70.84 a barrel. Brent crude LCOc1 rose 0.13 percent, or $0.1, to $78.8 O/R
* The TSX is up 0.1 percent for the year.