Most actively traded companies on the TSX

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

Toronto Stock Exchange (15,442.68, down 228.47 points)

Aurora Cannabis Inc. (TSX:ACB). Health care. Up 51 cents, or 5.16 per cent, to $10.40 on 12.1 million shares.

Bombardier Inc. (TSX:BBD.B). Aerospace, rail equipment. Down three cents, or 0.73 per cent, to $4.06 on 10.1 million shares.

Student Transportation Inc. (TSX:STB). Transportation. Up $1.98, or 25.81 per cent, to $9.65 on 5.8 million shares. The Barrie, Ont.-based company is being acquired by a group of investors led by Quebec pension fund manager Caisse de depot et placement du Quebec.

Toronto-Dominion Bank (TSX:TD). Bank. Down $1.24, or 1.65 per cent, to $74.00 on 5.7 million shares.

Canadian Natural Resources Ltd. (TSX:CNQ). Oil and gas. Down $1.70, or 4.10 per cent, to $39.75 on 5.6 million shares.

Enbridge Inc. (TSX:ENB). Oil and gas. Down $1.28, or 3.04 per cent, to $40.81 on 5.04 million shares.

Companies reporting major news:

Suncor Energy Inc. (TSX:SU). Oil and gas. Down $1.39, or 3.19 per cent, to $42.24 on 4.7 million shares. The Alberta Court of Appeal has upheld an injunction that stops random drug and alcohol testing at Suncor’s sites in the northeastern part of province. In a two-to-one decision, the court dismissed the appeal by the Calgary-based company, which has been arguing for years that random tests are needed to bolster safety at its projects near Fort McMurray.

Valeant Pharmaceuticals International Inc. (TSX:VRX). Pharmaceutical. Down $2.74, or 11.54 per cent, to $21.01 on 3.6 million shares. The Quebec-based drug company posted its highest quarterly net profit in three years, earning US$513 million or $1.45 per diluted share attributable to shareholders in its fourth quarter, compared with a loss of US$515 million or $1.47 per share a year ago.