Most actively traded companies on the TSX

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

Toronto Stock Exchange (15,265.35, down 200.19 points):

Teranga Gold Corp. (TSX:TGZ). Miner. Up four cents, or 5.26 per cent, to 80 cents on 55.9 million shares.

Rio Alto Mining Ltd.(TSX:RIO). Miner. Down 24 cents, or 7.72 per cent, to $2.87 on 25.9 million shares.

Torex Gold Resources Inc. (TSX:TXG). Miner. Down 11 cents, or 7.05 per cent, to $1.45 on 18.3 million shares.

Banro Corp. (TSX:BAA). Miner. Down 5.5 cents, or 25 per cent, to 16.5 cents on 17.8 million shares.

Semafo Inc. (TSX:SMF). Miner. Up 40 cents, or 10.44 per cent, to $4.23 on 15.9 million shares.

Romarco Minerals Inc. (TSX:R). Miner. Down nine cents, or 10.98 per cent, to 73 cents on 14 million shares.

Companies reporting major news:

Algonquin Power and Utilities Corp. (TSX:AQN): Utilities. Up 12 cents, or 1.35 per cent, to $8.98 on 2.3 million shares. The company said Friday it has signed a deal to buy regulated water distribution utility Park Water Co. for US$327 million, including the assumption of US$77 million in debt. Park Water owns and operates three water utilities in Southern California and western Montana.

TransCanada Corp. (TSX:TRP). Oil and gas. Up 57 cents, or 0.94 per cent, to $61.38 on 6.4 million shares. The company said the cost of the long-delayed Keystone XL pipeline will likely balloon from US$5.4 billion to as much as US$10 billion as the project marked its sixth year in regulatory limbo.