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

Toronto Stock Exchange (15,330.74, down 194.08 points):

Bombardier Inc. (TSX:BBD.B). Aerospace. Up six cents, or 1.63 per cent, to $3.73 on 13.1 million shares. The company reported its adjusted earnings were US$192 million, or 10 cents — a cent ahead of estimates.

Surge Energy Inc. (TSX:SGY). Oil and gas. Down six cents, or 0.70 per cent, to $8.50 on 7 million shares.

Yamana Gold Inc. (TSX:YRI). Miner. Up 22 cents, or 2.42 per cent, to $9.30 on 5.8 million shares. It released second-quarter results after markets closed Wednesday showing adjusted earnings of five cents per share — a penny above the general estimate.

Manulife Financial Corp. (TSX:MFC). Insurance. Down 18 cents, or 0.80 per cent, to $22.28 on 4.7 million shares.

Suncor Energy Inc. (TSX:SU). Oil and gas. Down $1.02, or 2.23 per cent, to $44.77 on 4.7 million shares. The company posted net income of $211 million, or 14 cents per share, compared to $680 million, or 45 cents per share, a year earlier. Operating earnings, which strip out the effects of unusual items, came in at $1.14 billion or 77 cents a share, 20 cents below estimates and its shares were down $1.02 to $44.77

First Quantum Minerals Ltd. (TSX:FM). Down $1.17, or 4.33 per cent, to $25.86 on 4 million shares. The company’s shares fell as copper sales increased but earnings per share came in at 23 cents, three cents short of forecasts.

Companies reporting major news:

Barrick Gold Corp. (TSX:ABX). Miner. The company delivered a US$269-million quarterly net loss and $159-million of adjusted earnings in the second quarter, missing analyst estimates on both counts. The adjusted profit amounted to 14 cents US per share, two cents below estimates.

Open Text (TSX:OTC). Application software. Up $7.67, or 14.48 per cent, to $60.64 on 1.2 million shares. The company’s shares were up as its quarterly profit doubled while revenue improved by more than 40 per cent.

Valeant Pharmaceuticals International Inc. (TSX:VRX). Drug manufacturers. Down $9.50, or 6.91 per cent, to $127.92 on 1.4 million shares. The company, which is making a hostile takeover bid for Botox maker Allergan, posted a quarterly net profit of $126 million or 37 cents a share. Adjusted income was $651 million, or $1.91 per share, missing estimates of $1.98 a share.