TORONTO - Some of the most active companies traded Thursday on the Toronto Stock Exchange and the TSX Venture Exchange:

Toronto Stock Exchange (12,599.23 down 50.69 points):

Lundin Mining Corp. (TSX:LUN). Miner. Up 65 cents, or 11.48 per cent, at $6.31 on 19,091,017 shares. Scotia Capital said the company should enjoy sharply higher quarterly earnings due mainly to its high sensitivity to copper prices, which increased 24 per cent over the quarter.

Bombardier Inc. (TSX:BBD.B). Transportation equipment. Up five cents, or 0.99 per cent, at $5.12 on 15,658,712 shares. It was a mixed day for the big plane and train maker. A Supreme Court decision went against Iraq, impacting a lucrative contact Bombardier has with Iraqi Airways. But Bombardier was able to announce an order for the first of its proposed new-long range Global Express business jets and said it would take advantage of favourable conditions in debt markets to redeem about $1 billion worth of outstanding notes.

Farallon Mining Ltd. (TSX:FAN). Miner. Unchanged at 58 cents on 9,929,387 shares. The base metals sector managed a 0.26 per cent gain on the TSX despite a one cent decline in the December copper contract on the New York Mercantile Exchange to $US3.78.

Western Coal Corp. (TSX:WTN). Up seven cents, or 1.02 per cent, at $6.92 on 7,662,594 shares.

Eastern Platinum Ltd. (TSX:ELR). Miner. Up four cents, or 2.67 per cent, at $1.54 on 7,234,436 shares.

B2Gold Corp. (TSX:BTO). Miner. Up two cents, or 0.94 per cent, at $2.15 on 7,211,548.

TSX Venture Exchange (1,860.85 down 10.45 points):

Alange Energy Corp. (TSXV:ALE). Oil and gas. Up six cents, or 8.96 per cent, at 73 cents on 17,880,616 shares.

Benchmark Energy Corp. (TSXV:BEE). Oil and gas. Up one cent, or 7.14 per cent at 15 cents on 7,880,153 shares.

Companies reporting major news:

PotashCorp (TSX:POT). Fertilizer. Up 78 cents, or 0.53 per cent, at $146.68 on 486,657 shares. Saskatchewan Premier Brad Wall declared he won’t support the hostile takeover of the fertilizer giant by international mining company BHP Billiton, saying the US$38.6-billion bid isn’t of net benefit to Canada no matter how you look at it.

Precision Drilling Corp. (TSX:PD). Oil and gas drilling. Up 18 cents, or 2.39 per cent, at $7.70 on 1.558,343 shares. The company reported better than expected earnings on higher revenue even though profits were down for the same year-ago quarter.