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

Toronto Stock Exchange (12,373.77 up 2.97 points):

Poseidon Concepts Corp. (TSX:PSN). Oilfield services. Down $1.83, or 55.29 per cent, at $1.48 on 12,113,534 shares. The Calgary-based company’s stock closed at a record low after announcing it had suspended its dividend, replaced its CEO and initiated a board review of its management and business processes.

Uranium One Inc. (TSX:UUU). Miner. Down four cents, or 1.71 per cent, at $2.30 on 7,952,688 shares.

Research In Motion Ltd. (TSX:RIM). Wireless technology. Up $1.20, or 11.43 per cent, at $11.70 on 6,914,239 shares. The BlackBerry maker’s stock rebounded from some of the heavy losses the issue suffered last week when it got hammered on news of a change in the fee structure RIM charges for services used with its smartphone devices.

Bombardier Inc. (TSX:BBD.B). Transportation equipment. Up a penny, or 0.27 per cent, at $3.76 on 4,646,599 shares. The company’s aerospace division received a new order from an unnamed buyer for six Learjet 75 business jets valued at about US$81 million based on the list price for typically equipped aircraft.

Bank of Nova Scotia (TSX:BNS). Bank. Down a penny, or 0.02 per cent, at $58.49 on 1,627,757 shares. The financials sector was one of the biggest decliners on the main index, sliding 0.50 per cent to 191.46 points.

Sirocco Mining Inc. (TSX:SIM). Miner. Up four cents, or 6.67 per cent, at 64 cents on 3,238,000 shares.

TSX Venture Exchange (1,196.75 up 11.15 points):

Rodinia Oil Corp. (TSXV:ROZ). Oil and gas. Up a penny, or 14.29 per cent, at eight cents on 10,744,163 shares.

Plains Creek Phosphate Corp. (TSXV:PCP). Mining and exploration. Up half a cent, or 50 per cent, at 1.5 cents on 5,757,000 shares.

Companies reporting major news:

CAE (TSX:CAE). Up 12 cents, or 1.18 per cent, at $10.27 on 114,271 shares. The flight simulator maker issued about US$350 million in unsecured senior notes in a private placement with 11 large institutional investors. The money will mostly be used to refinance debt.

Element Financial Corp. (TSX:EFN). Equipment leasing and finance. Up four cents, or 0.58 per cent, to $6.90 on 242,432 shares. The Toronto-based company signed a deal to buy equipment leasing and financing company Nexcap Finance Corp. for $20 million plus debt.