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 (12,894.41 up 164.08 points):

Twin Butte Energy Ltd. (TSX:TBE). Oil and gas. Up 19 cents, or 9.31 per cent, at $2.23 on 7.86 million shares. The Calgary-based company announced after markets closed Wednesday that it reached a deal to buy privately-held Black Shire Energy Inc. for $358 million in cash and stock, including $107.6 million in assumed debt.

Crew Energy Inc. (TSX:CR). Oil and gas. Down 23 cents, or 4.01 per cent, at $5.50 on 6.65 million shares.

Bombardier Inc. (TSX:BBD.B). Train and plane maker. Up seven cents, or 1.44 per cent, at $4.92 on 5.15 million shares.

Barrick Gold Corp. (TSX:ABX). Miner. Up 19 cents, or 1.04 per cent, at $18.54 on 4.26 million shares.

Air Canada (TSX:AC.B). Airline. Up 20 cents, or 4.26 per cent, at $4.89 on 3.92 million shares.

Toronto Venture Exchange (935.52 up 2.48 points):

Africa Hydrocarbons Inc. (TSX:NFK). Oil and gas. Up 6.5 cents, or 59.09 per cent, at 17.5 cents on 8.98 million shares.

Mart Resources Inc. (TSXV:MMT). Oil and gas. Down 12 cents, or 10.34 per cent, at $1.04 on 8.96 million shares.

Companies reporting major news:

BlackBerry Ltd. (TSX:BB). Wireless technology. Up five cents, or 0.59 per cent, at $8.49 on 2.44 million shares. Co-founders Mike Lazaridis and Douglas Fregin are looking at making a potential takeover bid for the former tech giant, according to documents filed with the U.S. Securities and Exchange Commission. Earlier in the day, BlackBerry announced the closure of its offices in the Halifax area, affecting more than 300 jobs.

Canadian Natural Resources Ltd. (TSX:CNQ). Oil and gas. Up $1.43, or 4.46 per cent, at $33.46 on 3.55 million shares. The oil and gas giant said its cash flow from operations during the quarter came in at about $2.21 per share, better than the $1.94 analysts polled by Thomson Reuters had on average been expecting. It also reported good progress on its Horizon oilsands expansion. The company reports full earnings Nov. 7.

Rogers Communications (TSX:RCI.B). Media and telecommunications. Up 44 cents, or 0.97 per cent, at $45.62 on 537,766 shares. CEO Nadir Mohamed apologized to customers across the country for an "unacceptable" breakdown that knocked out part of the company's wireless network for several hours on Wednesday.

Wi-LAN Inc. (TSX:WIN). Up 19 cents, or 4.87 per cent, at $4.09 on 470,025 shares. The patent company reached a settlement in a patent dispute with Sierra Wireless Inc. (TSX:SW), a day after announcing a deal with BlackBerry. Financial details were not disclosed.