Most actively traded companies on the TSX, TSX Venture Exchange markets

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

Toronto Stock Exchange (13,047.78 up 15.11 points):

Sino-Forest Corp. (TSX:TRE). Forestry. Down 26 cents, or 3.38 per cent, at $7.43 on 11,546,534 shares.

Catalyst Paper Corp. (TSX:CTL). Pulp and paper. Down 2.5 cents, or 18.52 per cent, at 11 cents on 11,120,027 shares.

Talisman Energy Inc. (TSX:TLM). Oil and gas. Down 76 cents, or 4.05 per cent, at $17.99 on 10,329,326 shares.

Goldcorp Inc. (TSX:G). Miner. Down 1.52, or 3.15 per cent, at $46.71 on 8,569,421 shares.

Lake Shore Gold Corp. (TSX:LSG). Miner. Down 19 cents, or 7.98 per cent, at $2.19 on 6,715,234 shares.

Rubicon Minerals Corp. (TSX:RMX). Miner. Up 88 cents, or 28.76 per cent, at $3.94 on 6,595,728 shares.

TSX Venture Exchange (1,983.95 down 1.83 points):

Petroamerica Oil Corp. (TSXV:PTA). Oil and gas. Up two cents, or 14.29 per cent, at 16 cents, on 6,444,173 shares.

Petro One Energy Corp. (TSXV:POP). Oil and gas. Down 50 cents, or 24.51 per cent, at $1.54 on 4,108,216 shares.

Companies reporting major news:

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Barrick Gold Corp. (TSX:ABX). Miner. Down 13 cents, or 0.28 per cent, at $45.87 on 2,662,820 shares. Stronger sales and record gold prices helped boost Barrick Gold Corp.’s profits 35 per cent in the second quarter, but the world’s largest gold miner says two new mines are becoming more expensive than planned.

Potash Corp. (TSX:POT). Fertilizer. Up 17 cents, or 0.30 per cent, at $56.20 on 3,115,485 shares. The company reported second-quarter earnings of 96 cents per share – a record for the quarter – up from 53 cents a year earlier and said it expects improvements in global demand and prices for fertilizer to continue for the rest of the year.

Talisman Energy Inc. (TSX:TLM). Oil and gas. Down 76 cents, or 4.05 per cent, at $17.99 on 10,391,926 shares. The company will miss its 2011 oil production growth target, largely due to delays at a project in the Norwegian sector of the North Sea, CEO John Manzoni told analysts Thursday.