Some of the most active companies traded Thursday on the Toronto Stock Exchange:

Toronto Stock Exchange (12,591.93, up 214.16 points):

Bombardier Inc. (TSX:BBD.B). Aerospace, rail equipment. Down 10 cents, or 10.10 per cent, to 89 cents on 26.9 million shares.

Baytex Energy Corp. (TSX:BTE). Oil and gas. Up 25 cents, or 9.09 per cent, to $3 on 12.9 million shares.

First Quantum Minerals Ltd. (TSX:FM). Miner. Up one cent, or 0.38 per cent, to $2.61 on 9.4 million shares.

Encana Corp. (TSX:ECA). Oil and gas. Up 77 cents, or 14.31 per cent, to $6.15 on 8.2 million shares.

Whitecap Resources Inc. (TSX:WCP). Oil and gas. Up 53 cents, or 7.48 per cent, to $7.62 on 6.8 million shares.

Canadian Natural Resources Ltd. (TSX:CNQ). Oil and gas. Up $1.50, or 5.42 per cent, to $29.18 on 6.4 million shares.

Companies reporting major news:

Potash Corp. of Saskatchewan (TSX:POT). Fertilizer. Up 28 cents, or 1.31 per cent, to $21.72 on 3.9 million shares. Canada’s largest potash producer is cutting its dividend for the first time since going public in 1989 in response to a sharp fall in fertilizer prices and profits. The company, which reports in U.S. dollars, announced it is shaving 34 per cent off its dividend as net income dropped to US$201 million or 24 cents per share in the fourth quarter from US$407 million or 49 cents the same year-earlier period.