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 (12,609.80 down 40.62 points):

Calmena Energy Services Inc. (TSX:CEZ). Well construction. Down half a cent, or 5.26 per cent, at nine cents on 15.02 million shares.

Rainy River Resources Ltd. (TSX:RR). Miner. Up four cents, or 1.10 per cent, at $3.68 on 9.72 million shares. Toronto-based New Gold Inc. (TSX:NGD) said Friday it offered to buy Rainy River in a deal pegged at about $310 million, net of its cash balance.

New Gold Inc. (TSX:NGD). Miner. Up 12 cents, or 1.70 per cent, at $7.17 on 5.65 million shares. Its CEO Randall Oliphant said that the deal to buy Rainy River comes at a good price and opportune time. According to recent filings, Rainy River had about $100 million of cash at the end of March.

Yamana Gold Inc. (TSX:YRI). Miner. Up seven cents, or 0.57 per cent, at $12.29 on 5.1 million shares. The gold sector led the advancers on the main index, rising 1.29 per cent to 208.14 points.

Atna Resources Ltd. (TSX:ATN). Down half a cent, or 2.22 per cent, at 22 cents on $4.51 million shares. The Colorado-based company said it will “review and reconsider options” to improve its Pinson gold mine in Nevada. Atna scaled back its operations at the gold mine last week due to the weakness in gold prices.

Toronto Venture Exchange (969.06 up 6.66 points):

Zodiac Exploration Inc. (TSXV:ZEX). Oil and gas explorer. Up a penny, or 22.22 per cent, at 5.5 cents on 3.52 million shares.

Med BioGene Inc. (TSXV:MBI). Life sciences. Down three cents, or 17.65 per cent, at 14 cents on 2.86 million shares.

Companies reporting major news:

Agrium Inc. (TSX:AGU). Fertilizer. Down $1.72, or 1.79 per cent, at $94.14 on 379,796 shares. The Calgary-based company is looking for a new partner for its $3-billion nitrogen project in the U.S. and a gas contract for the project after suspending engineering work at its plant.

Pacific Rubiales Energy Corp. (TSX:PRE). Oil and gas. Up $1.22, or 5.07 per cent, at $23.01 on 1.33 million shares. The Toronto-based company is boosting its quarterly cash dividend by 50 per cent or 5.5 cents per share to 16.5 cents US per share, payable June 28.

Fairfax Financial Holdings Ltd. (TSX:FFH). Property and casualty insurance. Up 35 cents, or 0.08 per cent, at $419 on 52,481 shares. The Toronto-based financial services holding company will buy all outstanding shares of American Safety Insurance Holdings Ltd. (NYSE:ASI) in a US$306-million deal.