Canada's main stock market tumbled Wednesday as a resurgent U.S. dollar pressured commodities and emerging markets with investors weighing the impact of Turkey's currency crisis.

The Toronto Stock Exchange's benchmark Standard & Poor's/TSX Composite Index plunged 182.17 points, or 1.2 percent, to close Wednesday at 16,148.50 points, posting its biggest daily percentage decline since June.

The energy group dropped 7.46 points, or 3.72 percent while the financials sector fell 0.95 points, or 0.31 percent.

The Canadian dollar declined 0.65 cents to 0.75.96 U.S. dollar.

Bombardier Inc. fell 0.85 percent to 4.64 Canadian dollars while Cenovus Energy Inc. dropped 5.92 percent to 11.74 Canadian dollars.

Kinross Gold Corp. dipped 6.7 percent to 3.76 Canadian dollars on 5.68 million shares.

Shopify Inc. fell 3.33 percent to 182.35 Canadian dollars.

Aurora Cannabis Inc. Surged 19.48 percent, to 6.38 Canadian dollars and Canopy Growth Corp. soared 31.26 percent to 42.20 Canadian dollars while Aphria Inc. jumped 20.53 percent to 10.51 Canadian dollars.