Most actively traded companies on the TSX

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

Toronto Stock Exchange (15,055.99, down 20.17 points):

Hydro One Ltd. Instalment Receipts (TSX:H.IR). Utilities. Up 40 cents, or 1.07 per cent, to $37.90 on 15.4 million shares.

Tahoe Resources Inc. (TSX:THO). Miner. Down $1.28, or 18.66 per cent, to $5.58 on 5.5 million shares.

Bombardier Inc. (TSX:BBD.B). Aerospace, rail equipment. Down three cents, or 1.16 per cent, to $2.55 on 3.9 million shares.

Turquoise Hill Resources Ltd. (TSX:TRQ). Miner. Down seven cents, or 1.78 per cent, to $3.87 on 3.3 million shares.

Spartan Energy Corp. (TSX:SPE). Oil and gas. Up 10 cents, or 1.92 per cent, to $5.31 on 3.1 million shares.

HudBay Minerals Inc. (TSX:HBM). Miner. Down 25 cents, or 2.25 per cent, to $10.88 on 3.04 million shares.

Companies reporting major news:

Aecon Group Inc. (TSX:ARE). Engineering and construction. Up $2.90, or 20.22 per cent, to $17.24 on 2.5 million shares. The Canadian construction company said it has engaged BMO Capital Markets and TD Securities to look into the possibility of a sale, with the intent of creating shareholder value and increasing growth potential. Aecon and its predecessors have been involved in landmark construction projects in Canada including the CN Tower, the St. Lawrence Seaway, the Vancouver SkyTrain and the Halifax Shipyard.

Valeant Pharmaceuticals International Inc. (TSX:VRX). Pharmaceutical. Down 82 cents, or 4.45 per cent, to $17.62 on 1.4 million shares. The embattled drugmaker’s legal woes have intensified after New Jersey mutual fund company Lord Abbett & Co. filed a securities fraud lawsuit alleging that it suffered “massive losses” because it invested when the company’s share price was artificially inflated due to public misinformation.