Most actively traded companies on the TSX, TSX Venture Exchange

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

Toronto Stock Exchange (14,649.86, up 124.67 points):

Bombardier Inc. (TSX:BBD.B). Transportation. Down four cents, or 1.02 per cent, to $3.88 on 17.7 million shares. Bombardier’s CSeries aircraft faces new uncertainty after Republic Airways, the plane’s largest customer, said it was weighing options on what to do with an aircraft that no longer fits into its operating model. The U.S. carrier told investors it hasn’t decided to cancel that US$3.06-billion firm order made in 2010 for 40 CS300 planes but it considering a number of possibilities.

Sulliden Gold Corporation Ltd. (TSX:SUE). Miner. Up 26 cents, or 33.33 per cent, to $1.04 on 13.08 million shares.

Fortis Inc. (TSX:FTS.IR). Utilities. Up 48 cents, or 1.27 per cent, to $38.38 on 8.5 million shares.

Ivanhoe Mines Ltd. (TSX:IVN). Miner. Down 23 cents, or 14.02 per cent, to $1.41 on 6.2 million shares.

Rio Alto Mining Ltd. (TSX:RIO). Miner. Down 17 cents, or 7.98 per cent, to $1.96 on 6.1 million shares. The company and Sulliden Gold Corp. Ltd. say they plan to merge to create a new mid-tier gold producer with operations focused in Peru. The mining companies say the value of the transaction is about $300 million and combining the two companies will result in near-term production potential of about 300,000 ounces of gold per year.

Aurora Oil & Gas Ltd. (TSX:AEF). Oil and gas. Up one cent, or 0.24 per cent, to $4.21 on 5.3 million shares.

Toronto Venture Exchange (974.11, up 3.96 points):

Petromanas Energy Inc. (TSXV:PMI). Oil and gas. Up four cents, or 13.33 per cent, to 34 cents on eight million shares.

Eaglewood Energy Inc. (TSXV:EWD). Oil and gas. Up 0.5 cents, or 1.35 per cent, to 37.5 cents on eight million shares.

Companies reporting major news:

Barrick Gold Corp. (TSX:ABX). Miner. Up 17 cents, or 0.94 per cent, to $18.32 on 3.7 million shares. Several Canadian law firms are pursuing a class action against the Toronto-based company and some of its current and former senior officers. The suit claims the company’s public disclosures misrepresented the risks involved with developing the Pascua-Lama mine near the border of Chile and Argentina.

Sears Canada Inc. (TSX:SCC). Retail. Down 23 cents, or 1.50 per cent, to 40,903 shares. The struggling department store chain is placing its bets on becoming a new stop for consumers who want affordable, high-quality yoga gear. The company says its Pure NRG Athletics line of yoga clothes has been a hit with customers since they were introduced in February. Sears Canada saw its net loss more than double in the first quarter as it felt the impacts of shoppers staying away due to a long winter throughout most parts of Canada.

Telus Corp. (TSX:T). Communications services. Up 85 cents, or 2.10 per cent, to $41.35 on 2.2 million shares. A report published online says Telus has notified Mobilicity that it was withdrawing its latest offer for the small, struggling wireless company. The proposed takeover has been the subject of a mediated negotiation involving the companies and Industry Canada, but none of the parties involved in the talks would comment on the report.