03/05/2012 04:58 EST | Updated 05/05/2012 05:12 EDT

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 (12,455.82, up 77.92 points):

Viterra Inc. (TSX:VT). Grain-handler. Up $1.44, or 9.83 per cent, at $16.09 on 28,516,936 shares. The company said it has set up rules to evaluate potential takeover bids, but said it cannot guarantee there will be a deal or what the price might be, although it acknowledged speculation that the company could fetch at least $16 a share.

Bombardier Inc. (TSX:BBD.B). Transportation equipment. Up eight cents, or 2.05 per cent, at $3.99 on 11,767,049 shares.

Great Basin Gold Ltd. (TSX:GBG). Miner. Down four cents, or 5.33 per cent, at 71 cents on 11,583,623 shares.

Manulife Financial Corp. (TSX:MFC). Insurer. Up 23 cents, or 1.70 per cent, at $13.72 on 7,462,081 shares.

Suncor Energy Inc. (TSX:SU). Oil and gas. Up 16 cents, or 0.49 per cent, at $32.91 on 5,948,244 shares.

Sun Life Financial Inc. (TSX:SLF). Insurer. Up 45 cents, up 1.99 per cent, at 5,788,890 shares.

TSX Venture Exchange (1,601.52, up 7.17 points):

Reliable Energy Ltd. (TSXV:REL). Oil and gas. Up 4.5 cents, or 14.75 per cent, at 35 cents on 20,304,929 shares.

Corsa Coal Corp. (TSXV:CSO). Miner. Down 1.5 cents, or 3.95 per cent, at 36.5 on 8,450,118 shares.

Companies reporting major news:

Allied Properties REIT (TSX:AP.UN). Real estate. Up 13 cents, or 0.49 per cent, at $26.66 on 100,564 shares. Allied plans to buy a portfolio of five properties in downtown Toronto for $42 million. The real estate trust also said it has signed an agreement with a syndicate of underwriters led by Scotia Capital Inc. to sell nearly 3.5 million units at $26 per unit to raise approximately $90 million.

TMX Group Inc. (TSX:X). Stock exchange. Up $1.34, or 3.06 per cent, at $45.09 on 791,522 shares. Regulators in Quebec and Ontario indicated they were moving closer to approving a takeover of the TMX by Maple Acquisition Group, although the federal Competition Bureau said it still has some concerns.