08/17/2011 05:09 EDT | Updated 10/17/2011 05:12 EDT

Most actively traded companies on the TSX, TSX Venture Exchange markets

TORONTO - Some of the most active companies traded Wednesday on the Toronto Stock Exchange and the TSX Venture Exchange:

Toronto Stock Exchange (12,579.61 up 48.90 points):

Zarlink Semiconductor Inc. (TSX:ZL). Semiconductor manufacturer. Up 28 cents, or 8.46 per cent, at $3.59 on 11,483,258 shares. Stocks traded higher Wednesday as investors speculated that a rival bid to a US$548.7-million hostile takeover offer from U.S. chipmaker Microsemi Corp. could be possible. The higher stock came as California-based Microsemi mailed details of its offer to Zarlink shareholders.

Eastern Platinum Ltd. (TSX:ELR). Miner. Up five cents, or 5.68 per cent, at 81 cents on 8,145,767 shares.

Bombardier Inc. (TSX:BBD.B). Transportation equipment. Up four cents, or 0.79 per cent, at $5.10 on 7,116,588 shares. The company has signed a letter of intent to provide Illyushin Finance Co., one of Russia's largest aircraft leasing companies, with up to 30 CSeries jetliners. It's a transaction some observers say opens the possibility of further Russian deals. Financial details were not disclosed, and a representative for Bombardier said the value will be revealed once a definitive agreement is signed. Based on the listing price for the planes it would be valued at US$627 million for the initial order of 10 planes.

Suncor Energy Inc. (TSX:SU). Oil and gas. Down 16 cents, or 0.50 per cent, at $31.73 on 6,268,531 shares.

Kinross Gold Corp. (TSX:K). Miner. Up 45 cents, or 2.82 per cent, at $16.43 on 5,433,636 shares.

Lake Shore Gold Corp. (TSX:LSG). Miner. Up 13 cents, or 5.99 per cent, at $2.30 on 5,413,233 shares.

TSX Venture Exchange (1,820.19 up 11.76 points):

Goldex Resources Corp. (TSXV:GDX). Gold explorer. Up 0.5 cents, or 6.25 per cent, at 8.5 cents on 10,603,935 shares.

Bridge Resources Corp. (TSXV:BUK). Oil and gas. Up 2.5 cents, or 71.43 per cent, at six cents on 5,454,050 shares.

Companies reporting major news:

Wi-LAN Inc. (TSX:WIN). Patent company. Up 20 cents, or 2.90 per cent, at $7.09 on 2,140,615 shares. The company announced as markets were closing that it will make a $480-million cash takeover bid for Mosaid Technologies Inc. (TSX:MSD). Wi-LAN says it wants to buy the rival patent company to better compete in more global technology markets. The company says it will pay $38 in cash for all of the outstanding common shares of Mosaid, a premium of about 31 per cent over the closing price of Mosaid shares.