TSX rises 0.15% to 19,774.41

* The Toronto Stock Exchange's TSX rises 0.15 percent to 19,774.41

* Leading the index were Denison Mines Corp , up 11.4%, Martinrea International Inc​, up 5.6%, and Nexgen Energy Ltd​, higher by 5.4%.

* Lagging shares were Barrick Gold Corp​​, down 4.3%, ECN Capital Corp​, down 3.2%, and CGI Inc​, lower by 3.0%.

* On the TSX 121 issues rose and 104 fell as a 1.2-to-1 ratio favored advancers. There were 22 new highs and no new lows, with total volume of 464.2 million shares.

* The most heavily traded shares by volume were Ivanhoe Mines Ltd, Suncor Energy Inc and Barrick Gold Corp.

* The TSX's energy group rose 1.21 points, or 1.0%, while the financials sector climbed 1.50 points, or 0.4%.

* West Texas Intermediate crude futures rose 0.98%, or $0.65, to $66.86 a barrel. Brent crude rose 0.87%, or $0.6, to $69.47 [O/R]

* The TSX is up 13.4% for the year.

This summary was machine generated May 27 at 21:03 GMT.