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

Toronto Stock Exchange (12,128.89, down 8.05 points):

Viterra Inc. (TSX:VT). Agriculture. Unchanged, at $15.95 on 5,261,184 shares.

Ivanhoe Mines Ltd. (TSX:IVN). Miner. Up $1.86, or 15.99 per cent at $13.49 on 4,447,366 shares. Rio Tinto (NYSE:RIO) tightened its grip on Ivanhoe Mines Ltd. as part of a US$3.3-billion financing deal that will see chief executive and founder Robert Friedland step away from the company. Rio Tinto will now get to nominate 11 of the company's 13 board members.

Denison Mines Corp. (TSX:DML). Miner. Up 10 cents, or 6.06 per cent, at $1.75 on 4,122,637 shares.

Bankers Petroleum Ltd. (TSX:BNK). Oil and gas. Down 15 cents, or 4.12 per cent, at $3.49 on 4,021,936 shares.

Alimentation Couche-Tard Inc. (TSX:ATD.B). Retailer. Up $5.30, or 15.45 per cent, at $39.60 on 3,510,340 shares. Canada's largest convenience store is launching its long-anticipated overseas expansion by buying Statoil Fuel & Retail, Scandinavian's top convenience and fuel retailer for US$2.8-billion.

Nuvo Research Inc. (TSX:NRI). Drug company. Down two cents, or 16 per cent, at 10.5 cents on 3,091,225 shares.

TSX Venture Exchange (1,411.82, down 10.47 points):

Cicada Ventures Ltd. (TSXV:CID). Down half a cent, or 33.33 per cent, at one cent on 8,377,000 shares.

Scorpio Gold Corp. (TSXV:SGN). Miner. Up one cent, or 1.22 per cent, at 83 cents on 6,398,765 shares.

Companies reporting major news:

Metro Inc. (TSX:MRU). Retailer. Down 20 cents, or 0.37 per cent, at $53.40 on 422,538 shares. The grocery store operator said its second-quarter profit was up 12 per cent from a year earlier, beating analyst estimates by two cents per share. Revenue increased more modestly but in line with expectations.

Fibrek Inc. (TSX:FBK). Pulp producer. Up one cent, or 0.93 per cent, at $1.08 on 258,160 shares. The Supreme Court of Canada said after markets closed that it will not hear an appeal in the ongoing takeover battle for pulp producer Fibrek by two forestry sector heavyweights, Resolute Forest Products (TSX:ABH) and Mercer International (TSX:MRI.U). Mercer shares were unchanged at $7.75 while Resolute shares were down 24 cents at $12.99.