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

Toronto Stock Exchange (12,639.97 down 74.08 points):

Bombardier Inc. (TSX:BBD.B). Transportation equipment. Down 39 cents, or 9.11 per cent, at $3.89 on 38,648,548 shares. The plane and train maker said its fourth-quarter net income tumbled 93 per cent to US$14 million, which included a $119-million charge for restructuring. Solid results at its aerospace division helped its overall revenue increase to $4.7 billion from year-ago $4.3 billion.

Sophiris Bio Inc. (TSX:SHS). Drug developer. Down six cents, or 25 per cent, at 18 cents on 8,328,200 shares.

BlackBerry (TSX:BB). Wireless technology. Up 18 cents, or 1.29 per cent, at $14.13 on 6,628,388 shares.

TORC Oil and Gas Ltd. (TSX:TOG). Oil and gas. Up nine cents, or 5.11 per cent, at $1.85 on 4,993,267 shares.

Talisman Energy Inc. (TSX:TLM). Oil and gas. Miner. Up 21 cents, or 1.67 per cent, at $12.81 on 4,287,716 shares.

TSX Venture Exchange (1,133.97 up 2.80 points):

Samaranta Mining Corp. (TSXV:SAX). Mineral explorer and developer. Down a penny, or 22.22 per cent, at 3.5 cent son 6,268,273 shares. Samarium Group Holding Ltd. made an unsolicitied offer Tuesday to buy not less than 51 per cent of the issued and outstanding public shares of the company at a price of 12 cents per share.

Seafield Resources Ltd. (TSXV:SFF). Gold explorer. Up half a cent, or five per cent, at 10.5 cents on 5,052,144 shares.

Companies reporting major news:

Canadian Tire Corp. Ltd. (TSX:CTC.A). Retailer. Up 69 cents, or 1.01 per cent, at $68.91 on 513,871. The Toronto-based retailer of general merchandise, clothing and sporting goods booked fourth-quarter profits of $163.1 million, down two per cent from the same 2011 period while revenue increased to $3.16 billion from $3.12 billion.

Loblaw Companies Ltd (TSX:L). Grocer. Up 67 cents, or 1.69 per cent, at $40.42 on 570,862 shares. Canada’s largest grocer said its fourth-quarter profit was cut nearly one-fifth due to a $61-million restructuring charge. Revenue rose 1.2 per cent to $7.46 billion.

Rona Inc. (TSX:RON). Hardware retailer. Down 46 cents, or 3.81 per cent, at $11.60 on 710,641 shares. The home improvement retailer is slashing 200 full-time jobs across Canada and will shrink its presence outside of Quebec. Rona said its fourth-quarter loss narrowed to $17.9 million or 15 per cent compared with a loss of $153.6 million or $1.19 per share a year earilier. Revenue advanced by 2.2 per cent.

Tim Hortons (TSX:THI). Coffee and doughnut chain. Down $1.50, or 2.95 per cent, at $49.30 o 1,317,992 shares. Profits weakened in the fourth quarter as the restaurant chain logged fewer customer transactions, and booked costs related to a lengthy search for a new chief executive. Net income dropped 2.5 per cent while revenue rose 4.1 per cent to $811.6 million.