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

Toronto Stock Exchange (12,768.83 up 83.59 points):

Twin Butte Energy Ltd. (TSX:TBE). Oil and gas. Down 44 cents, or 16.54 per cent, at $2.22 on 15,626,588 shares. The Calgary-based company had announced Thursday that it will cut its first-quarter cash flow to $30.5 million due to lower production and low prices for heavy oil. Its Primate property in Saskatchewan, its best performing property, has been plagued with operational problems since December.

Northland Resources S.A. (TSX:NAU). Miner. Down two cents, or 10.53 per cent, at 17 cents on 9,244,400 shares.

BNK Petroleum Inc. (TSX:BKX). Oil and gas. Up four cents, or 8.16 per cent, at 53 cents on 9,137,468 shares.

BlackBerry (TSX:RIM). Wireless technology. Up nine cents, or 0.70 per cent, at $13.01 on 6,471,838 shares. The company formerly Research In Motion Ltd. will start trading under the ticker BB on Monday, Feb. 4. It unveiled its new line of smartphones this week with generally positive reviews.

Athabasca Oil Corp. (TSX:ATH). Oil developer. Up 19 cents, or 1.79 per cent, at $10.78 on 4,989,861 shares.

White Tiger Gold Ltd. (TSX:WTG). Miner. Up three cents, or 35.29 per cent, at 11.5 cents on 4,134,709 shares. The Toronto-based miner's stock continued its ascent since announcing Wednesday expansion at its Savkino Mine in Russia.

TSX Venture Exchange (1,28.66 up 6.95 points):

Anatonalia Energy Corp. (TSXV:AEE). Oil and gas explorer. Up half a cent, or 6.25 per cent, at 8.5 cents on 7,678,549 shares.

Petrolia Inc. (TSXV:PEA). Oil and gas explorer. Up nine cents, or 7.69 per cent, at $1.26 on 3,116,867 shares.

Companies reporting major news:

Domtar Corp. (TSX:UFS). Pulp and paper. Down $4.95, or 5.98 per cent, at $78.04 on 43,519 shares. Its fourth-quarter net income and revenue took a tumble due to lower shipments and prices for pulp and paper. Profit totalled US$19 million compared with US$61 million in the same period last year while revenue dropped to about $70 million from $1.33 billion.

Imperial Oil (TSX:IMO). Oil and gas. Up 11 cents, or 0.25 per cent, at $3.91 on 1,860,338 shares. The oil giant reported a six per cent jump in its fourth-quarter profits as lower expenses more than offset a decrease in revenue. Revenue fell to $7.8 billion from year earlier at $8.1 billion.

Primaris Retail REIT (TSX:PMZ.UN). Real estate. Up 24 cents, or 0.90 per cent, at $27.04 on 609,823 shares. The company is buying a portfolio of shopping centres in Edmonton and Medicine Hat, Alta., for $377 million. The nine properties are owned by Sherwood Park Mall Ltd., Markalta Developments Ltd. and Sleeping Bay Building Corp.

News from © The Canadian Press, 2013