TSX rises 1.72% to 13,097.84

* The Toronto Stock Exchange's TSX rises 1.72 percent to 13,097.84 

* Leading the index were MEG Energy Corp , up 33.8%, Frontera Energy Corp​ , up 30.7%, and Secure Energy Services Inc​ , higher by 24.2%.

* 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 <.SPTTEN> rose 5.51 points, or 9.4%, while the financials sector <.SPTTFS> 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.