Leading the index were TransCanada Corp, up 5.4 percent, Guyana Goldfields Inc, up 4.8 percent, and BlackBerry Ltd , higher by 4.3 percent.

Lagging shares were First Quantum Minerals Ltd, down 7.5 percent, Parex Resources Inc, down 5.5 percent, and Aphria Inc, lower by 4.6 percent.

On the TSX 129 issues advanced and 112 declined as a 1.2-to-1 ratio favored advancers. There were 9 new highs and 2 new lows, with total volume of 178.7 million shares.

The most heavily traded shares by volume were Bombardier Inc, Aurora Cannabis Inc and Enbridge Inc.

The TSX's energy group fell 0.15 points, or 0.07 percent, while the financials sector climbed 0.04 points, or 0.01 percent.

West Texas Intermediate crude futures rose 0.68 percent, or $0.47, to $69.23 a barrel. Brent crude fell 0.45 percent, or $0.33, to $72.57 [O/R]

The TSX is up 2.1 percent for the year.

(Reporting by Chuck Mikolajczak)