TORONTO, Aug. 30 (Xinhua) -- Canada's main stock market fell Thursday due to unresolved NAFTA talks.

The Toronto Stock Exchange's benchmark Standard & Poor's/TSX Composite Index dropped 18.74 points, or 0.11 percent, to close the day at 16,371.55 points.

The Canadian dollar faded 0.36 cent to 0.77.09 U.S. dollar.

Gold and energy stocks were down on the day after a Federal Court of Appeal decision to quash the approval of the contentious Trans Mountain pipeline expansion.

First Quantum Minerals dipped 5.2 percent to 16.68 Canadian dollars and Teck Resources slipped 2.1 percent to 30.01 Canadian dollars while Agnico Eagle Mines declined 1.4 percent to 45.36 Canadian dollars.

Goldcorp fell 1.1 percent to 14.16 Canadian dollars while Barrick Gold lost 11 cents to 13.60 Canadian dollars.

Canopy Growth fell 3.7 percent to 57.55 Canadian dollars while Aphria was down 1.8 percent to 16.01 Canadian dollars.

The most active companies traded on the market are Aurora Cannabis Inc., falling 3.1 percent to 8.79 Canadian dollars on 19.9 million shares and Aphria Inc. down 1.78 per cent to 16.01 Canadian dollars on 17.8 million shares while Cronos Group Inc., tumbling 28.1 percent to 11.77 Canadian dollars on 14.7 million shares.