Most actively traded companies on the TSX

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

Toronto Stock Exchange (15,367.47, up 27.70 points):

Pacific Rubiales Energy Corp. (TSX:PRE). Oil and gas. Up 30 cents, or 6.86 per cent, to $4.67 on 7.04 million shares.

Eldorado Gold Corp. (TSX:ELD). Miner. Down 11 cents, or 1.79 per cent, to $6.04 on 5.9 million shares.

Macarthur Minerals Ltd. (TSX:MMS). Miner. Down one cent, or 14.29 per cent, to six cents on 5.5 million shares.

Sherritt International Corp. (TSX:S). Miner. Up 15 cents, or 5.64 per cent, to $2.81 on 4.9 million shares.

Canadian Oil Sands Ltd. (TSX:COS). Oil and gas. Up 26 cents, or 1.97 per cent, to $13.44 on 4.6 million shares.

Lundin Mining Corp. (TSX:LUN). Miner. Up eight cents, or 1.27 per cent, to $6.38 on 4.6 million shares.

Companies reporting major news:

Tembec Inc. (TSX:TMB). Forest products. Down 30 cents, or 10.53 per cent, to $2.55 on 272,346 shares. The Quebec-based company says it has just endured a tough winter quarter that resulted in a $40-million loss, amounting to 40 cents per share, compared with a year-earlier loss of 28 cents per share or $28 million.