Most actively traded companies on the TSX, TSX Venture Exchange

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

Toronto Stock Exchange (14,334.04 down 34.94 points):

Brookfield Office Properties Inc. (TSX:BPO). Real estate services. Down 13 cents, or 0.61 per cent, to $21.03 on 9.4 million shares.

NeuLion, Inc. (TSX:NLN). Communication services. Up 18 cents, or 20.22 per cent, to $1.07 on 8.4 million shares.

Bombardier Inc. (TSX:BBD.B). Aerospace. Down nine cents, or 2.15 per cent, to $4.09 on 6.3 million shares.

Capstone Mining Corp. (TSX:CS). Miner. Unchanged at $2.58 on 6.2 million shares.

Fortis Inc. (TSX:FTS.IR). Utilities. Down 18 cents, or 0.54 per cent, to $33.00 on 4.5 million shares.

B2Gold Corp. (TSX:BTO). Miner. Down 14 cents, or 4.35 per cent, to $3.08 on 3.9 million shares.

Toronto Venture Exchange (1,038.87 down 0.08 points):

Terra Firma Resources Inc. (TSXV:TFR). Miner. Up 1.5 cents, or 100 per cent, to three cents on 22.4 million shares.

Keek Inc. (TSXV:KEK). Online media. Up three cents, or 18.18 percent, to 19.5 cents on four million shares.

Companies reporting major news:

Athabasca Oil Corp. (TSX:ATH). Oil and gas. Down 34 cents, or 4.05 per cent, to $8.05 on 2.1 million shares. The Calgary-based company had a $40.1-million loss in the fourth quarter, a transitional year as it worked to get approvals for one of its oilsands projects. Once all approvals are in, Athabasca plans to sell its 40 per cent interest in the Dover project to Chinese partner PetroChina for a much-needed lump sum of $1.23 billion.

Power Financial Corp. (TSX:PWF). Insurance, financial services. Down 44 cents, or 1.26 per cent, to $34.43 on 551,050 shares. The company says its fourth-quarter operating earnings were $403 million or 57 cents per share, essentially flat compared with a year ago when they were $405 million, also 57 cents a share.