The Toronto Stock Exchange’s S&P/TSX fell 135.71 points, or 0.82 percent, to 16,357.75.
Leading the index were Kirkland Lake Gold Ltd, up 6.3 percent, Westshore Terminals Investment Corp, up 5.5 percent, and Semafo Inc, higher by 5.1 percent.
Lagging shares were Iamgold Corp, down 12.6 percent, Hudbay Minerals Inc, down 11.4 percent, and Canfor Corp, lower by 6.5 percent.
On the TSX 81 issues rose and 159 fell as a 0.5-to-1 ratio favored decliners. There were 5 new highs and 7 new lows, with total volume of 248.6 million shares.
The most heavily traded shares by volume were Enbridge Inc, Bombardier Inc and Manulife Financial Corp.
The TSX’s energy group fell 2.02 points, or 1.3 percent, while the financials sector slipped 2.89 points, or 0.9 percent.
West Texas Intermediate crude futures fell 1.64 percent, or $1.02, to $61.23 a barrel. Brent crude fell 2.32 percent, or $1.64, to $69.6 [O/R]
The TSX is up 14.2 percent for the year.