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

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

Toronto Stock Exchange (12,453.92 up 15.89 points):

Canadian Oil Sands Ltd. (TSX:COS). Oils and gas. Up six cents, or 0.30 per cent, at $19.82 on 14.3 million shares. The June crude contract rose 55 cents to US$96.16 a barrel, its highest price since April 2, according to FactSet data.

Bombardier Inc. (TSX: BBD.B). Transportation. Up 11 cents, or 2.7 per cent, at $4.19 on 8.7 million shares.

Athabasca Oil Corp. (TSX:ATH). Oil and gas. Down 34 cents, or 5.40 per cent, at $5.96 on 6.9 million shares.

Second Wave Petroleum Inc. (TSX:SCS). Oil and gas. Up 15.5 cents, or 119.23 per cent, at 28.5 cents on 6.3 million shares.

Potash Corp. of Saskatchewan Inc. (TSX:POT). Agriculture. Up 23 cents, or 0.54 per cent, at $42.80 on 5.5 million shares.

Penn West Petroleum Ltd. (TSX:PWT): Oil and gas. Up 48 cents, or 5.05 per cent, at $9.99 on 4.3 million shares.

Toronto Venture Exchange (967.38 up 2.70 points):

Redhill Resources Corp. (TSXV:RHR). Miner. Down one cent, or 14.29 per cent, at six cents on 3.8 millon shares.

TAD Mineral Exploration Inc. (TSXV:TJ). Miner. Up one cent, or 40 per cent, at 3.5 cents on 3.5 million shares.

Companies reporting major news:

Bell (TSX:BCE). Down 22 cents, or 0.46 per cent, at $47.34 on 585,855 shares. Consumers will get more content and Bell will play fair with its competitors, the company promised as it made a revised sales pitch to the CRTC seeking approval for its $3.4-billion takeover of Astral Media (TSX:ACM.B) (unchanged at $53.75) that that was turned down last year. George Cope, chief executive of Bell parent company BCE Inc., said Monday the merger will be good for Canadians and the industry after a warning from the CRTC that the burden rests with Bell and Astral to prove its case.

BlackBerry (TSX:BB). Wireless communications. Down three cents, or 0.19 cents, at $15.74 on 2.9 million shares. Another analyst added his voice to caution about sales numbers for the new smartphone devices, and pulled back his sales expectations. Canaccord Genuity analyst Michael Walkley said Monday that sales of the phones on the BlackBerry 10 operating system are “mixed.”

Onex Corp. (TSX:OCX). Up 20 cents, or 0.40 cents, at $49.80 on 49,961 shares. The private equity firm says it will pay US$950 million in cash to acquire business-to-business trade show operator Nielsen Expositions. The purchase, from an affiliate of Nielsen Holdings N.V. (NYSE:NLSN), is expected to close in the second-quarter.

Wi-LAN Inc.(TSX:WIN). Up 15 cents, or 3.66 per cent, at $4.25 on 420,004 shares. Panasonic Corp. has signed a multi-year agreement for Wi-LAN’s digital TV and display patent portfolio, including the patent licensing firm’s V-chip technology. The Ottawa-based company did not disclose financial and other terms of the agreement in making the announcement Monday.