Most actively traded companies on the TSX, TSX Venture Exchange markets

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

Toronto Stock Exchange (12,839 down 8.44 points):

Mirabela Nickel Ltd. (TSX:MNB). Miner. Up half a cent, or 100 per cent, at a penny on 15.91 million shares.

Air Canada (TSX:AC.B). Airline. Up 15 cents, or four per cent, at $3.90 on 8.59 million shares. The stock is at its highest level since 2008.

Kimber Resources Inc. (TSX:KBR). Miner. Unchanged at 14.5 cents on 8.04 million shares. The Vancouver-based company saw its full-year net loss widen to $47.9 million from $3.57 million due to a $44.4-million impairment charge on its Monterde property.

Talisman Energy Inc. (TSX:TLM). Oil and gas. Up 42 cents, or 3.39 per cent, at $12.82 on 6.31 million shares.

BlackBerry (TSX:BB). Wireless technology. Up eight cents, or 0.98 per cent, at $8.27 on 5.63 million shares. Reports say U.S. private equity firm Cerberus Capital aims to sign a confidentiality agreement to access the smartphone maker's books, although the move doesn't guarantee the distressed asset manager will actually make an offer for the company.

Toronto Venture Exchange (947.33 up 5.30 points):

Zodiac Exploration Inc. (TSXV:ZEX). Oil and gas. Up half a cent, or 5.56 per cent, at 9.5 cents on 6.34 million shares.

Petroamerica Oil Corp. (TSXV:PTA). Oil and gas. Down a penny, or 3.28 per cent, at 29.5 cents on 5.05 million shares.

Companies reporting major news:

International Minerals Corp. (TSX:IMZ). Miner. Up 26 cents, or 9.96 per cent, at $2.87 on 1.37 million shares following a friendly takeover offer that values the company at more than C$357.6 million. Hochschild Mining PLC, IMZ's partner in two Peruvian mining projects, is offering US$2.38 in cash for each share of IMZ that it doesn't already own. International Minerals shareholders would also receive one share of a new public company.

Paladin Energy Ltd (TSX:PDN). Miner. Up five cents, or 10.64 per cent, at 52 cents on 1.21 million shares. The Australia-based company is cutting the base salaries of its board and management by 10 per cent as part of cost-saving measures due to low spot prices for uranium, its main commodity. Paladin is aiming to reduce cash costs for its 2014 financial year by US$23 million.

TransCanada Corp. (TSX:TRP). Oil and gas. Down a penny, or 0.02 per cent, at $45.19 on 1.05 million shares. TransCanada said construction is nearing completion on the southern portion of its Keystone crude oil pipeline between Cushing, Okla., and the U.S. Gulf Coast and hopes to have it in operation by the end of the year. It also announced the acquisition of two additional solar power facilities in Ontario as part of a multi-year agreement with Canadian Solar Solutions, which Canadian Solar says are valued at more than $95 million.