The Toronto Stock Exchange’s S&P/TSX rose 42.84 points, or 0.26 percent, to 16,531.04.
Leading the index were CannTrust Holdings Inc , up 16.7 percent, Aecon Group Inc , up 9.6 percent, and Winpak Ltd , higher by 5.4 percent.
Lagging shares were Aphria Inc , down 6.1 percent, Canfor Corp, down 5.8 percent, and Peyto Exploration & Development Corp, lower by 4.3 percent.
On the TSX 147 issues rose and 90 fell as a 1.6-to-1 ratio favored advancers. There were 18 new highs and 9 new lows, with total volume of 166.8 million shares.
The most heavily traded shares by volume were Encana Corp , Canntrust Holdings Inc and Enbridge Inc.
The TSX’s energy group fell 1.07 points, or 0.8 percent, while the financials sector climbed 0.53 points, or 0.2 percent.
West Texas Intermediate crude futures rose 0.27 percent, or $0.15, to $56.17 a barrel. Brent crude fell 0.13 percent, or $0.08, to $63.31.
The TSX is up 15.4 percent for the year.