Most actively traded companies on the TSX

Some of the most active companies traded Tuesday on the Toronto Stock Exchange:

Toronto Stock Exchange (13,884.23, down 109.65 points):

First Quantum Minerals Ltd. (TSX:FM). Miner. Down 60 cents, or 6.84 per cent, to $8.17 on 8.9 million shares.

Penn West Petroleum Ltd. (TSX:PWT). Oil and gas. Up seven cents, or 4.35 per cent, to $1.68 on 8.4 million shares.

B2Gold Corp. (TSX:BTO). Miner. Up two cents, or 0.72 per cent, to $2.81 on 7.8 million shares.

Yamana Gold Inc. (TSX:YRI). Miner. Down four cents, or 0.64 per cent, to $6.20 on 7.6 million shares.

Twin Butte Energy Ltd. (TSX:TBE). Oil and gas. Down half-a-cent, or 7.69 per cent, to six cents on 7.1 million shares.

Kinross Gold Corp. (TSX:K). Miner. Down five cents, or 0.76 per cent, to $6.55 on 7.1 million shares.

Companies reporting major news:

Cenovus Energy Inc. (TSX:CVE). Oil and gas. Down 18 cents, or 0.95 per cent, to $18.76 on 1.3 million shares. Cenovus is planning a $32-million project that aims to restore the habitat of dwindling caribou populations around its oilsands sites in northeastern Alberta over the next 10 years. Decades of industry activity in the region have sliced up the boreal forest where the animals live, creating openings that make them more vulnerable to predators. The Calgary-based company has been working since 2008 on pilot projects to help protect the threatened species.