TORONTO, Feb. 8 (Xinhua) -- Canada's main stock index dropped Thursday as a sell-off on Wall Street furthered and a drop in oil prices hit energy shares.

The Toronto Stock Exchange's benchmark Standard & Poor's/TSX Composite Index plunged 264.97 points, or 1.73 percent, to 15,065.61. All 10 of the index's main sectors were down.

The Canadian dollar sank 0.01 cents to 0.79.55 U.S. dollar.

The energy group retreated 2.8 percent as oil settled down 64 cents at 61.15 U.S. dollar a barrel after data showed U.S. crude output had reached record highs.

Suncor Energy Inc was one of the biggest drags on the index, down 2.4 percent to 41.44 Canadian dollars after it reported higher fourth-quarter profit on stronger oil prices and lower costs.

The financials group also pulled the market lower, falling 1.6 percent as Royal Bank of Canada declined 1.8 percent to 99.24 Canadian dollars and Bank of Montreal dipped 2.4 percent to 95.51 Canadian dollars.

Shares of Bombardier Inc declined 2.1 percent to 3.20 Canadian dollars after the plane and train maker missed out on a contract to provide rail cars for one of the world's biggest light rail systems in Montreal.

Canada Goose Holdings Inc declined 16.1 percent to 40.15 Canadian dollars after releasing its quarterly results.