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 (12,853.13, down 118.90 points):

Breakwater Resources Ltd. (TSX:BWR). Miner. Down a cent, or 0.13 per cent, at $7.41 on 17,709,203 shares.

ARISE Technologies Corp. (TSX:APV.WT.A). Industrial. Down 0.5 of a cent, or 10 per cent, at 5.5 cents on 12,414,210 shares.

Kinross Gold Corp. (TSX:K). Miner. Down 47 cents, or 3.11 per cent, at $14.64 on 8,978,953 shares.

Manulife Financial Corporation (TSX:MFC). Insurer. Down two cents, or 0.13 per cent, at $15.73 on 7,495,331 shares.

Sino-Forest Corporation (TSX:TRE). Forestry. Up 12 cents, or 3.73 per cent, at $3.34 on 5,999,410 shares.

Suncor Energy Inc. (TSX:SU). Oil and Gas. Up 16 cents, or 0.43 per cent, at $37.52 on 5,904,791 shares.

TSX Venture Exchange (1,889.35, down 34.87 points):

Intertainment Media Inc. (TSXV:INT). Media distributor. Down two cents, or 3.13 per cent, at 62 cents on 3,935,682 shares.

Western Energy Services Corp. (TSXV:WRG). Oil and gas. Down 1.5 cents, or 3.85 per cent, at 37.5 cents on 3,477,631 shares. The company says first-quarter profits were steady at $11.3 million as its revenues strengthened. The Calgary-based firm said Thursday that earnings were equivalent to a penny per share, compared to $11.1 million a year earlier, or five cents a share. Revenue grew to $55.4 million from $4.3 million in the comparable period.

Companies reporting major news:

Bombardier Transportation (TSX:BBD.B) has lost out on a large London rail contract as German rival Siemens was selected by the British government to supply 1,200 electric commuter trains as part of the C$9.5 billion Thameslink program. The decision raises questions about the future about Bombardier's Derby plant, which would have produced the rail cars through 2017.

Canadian National Railway (TSX:CNR) says it's selling IC RailMarine Terminal Co. for US$73 million. The terminal is on the east bank of the Mississippi River in Louisiana, west of New Orleans. It stores and transfers bulk commodities and liquids between rail, ship and barge.

Surge Energy Inc. (TSXV:SGY) tumbled to a first-quarter loss of $502,000 while its oil and gas sales surged. The results announced Thursday were equal to a loss of a penny per share, compared to a profit of $2.7 million, or 15 cents per share, a year earlier.