* Leading the index were MEG Energy Corp
* Lagging shares were Shopify Inc?? , down 9.7%, Lightspeed POS Inc?, down 9.6%, and Corus Entertainment Inc?, lower by 8.4%.
* On the TSX 174 issues rose and 57 fell as a 3.1-to-1 ratio favored advancers. There were no and no new lows, with total volume of 446.0 million shares.
* The most heavily traded shares by volume were Cenovus Energy Inc , Canadian Natural Resources Ltd and Suncor Energy Inc.
* The TSX's energy group rose 5.51 points, or 9.4%, while the financials sector climbed 2.90 points, or 1.2%.
* West Texas Intermediate crude futures rose 21.86%, or $4.44, to $24.75 a barrel. Brent crude rose 20.49%, or $5.07, to $29.81
* The TSX is off 23.2% for the year.