* The Toronto Stock Exchange's TSX rises 0.30 percent to 16,448.84
* Leading the index were Nuvista Energy Ltd NVA.TO , up 8.6 percent, Brookfield Business Partners LP BBU_u.TO , up 7.8 percent, and Eldorado Gold Corp ELD.TO , higher by 6.8 percent.
* Lagging shares were Nexgen Energy Ltd NXE.TO , down 4.8 percent, Sierra Wireless Inc SW.TO , down 3.5 percent, and Restaurant Brands International Inc QSR.TO , lower by 3.0 percent.
* On the TSX 161 issues rose and 75 fell as a 2.1-to-1 ratio favored advancers. There were 27 new highs and 3 new lows, with total volume of 201.1 million shares.
* The most heavily traded shares by volume were Suncor Energy Inc SU.TO , Cenovus Energy Inc CVE.TO and Crescent Point Energy Corp CPG.TO .
* The TSX's energy group .SPTTEN rose 0.94 points, or 0.8 percent, while the financials sector .SPTTFS climbed 0.68 points, or 0.2 percent.
* West Texas Intermediate crude futures CLc1 rose 4.45 percent, or $2.4, to $56.34 a barrel. Brent crude LCOc1 rose 4.33 percent, or $2.52, to $60.78 O/R
* The TSX is up 14.8 percent for the year.