08/13/2012 06:43 EDT | Updated 10/13/2012 05:12 EDT

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

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

Toronto Stock Exchange (12,118.99 up 2.06points):

CGA Mining Ltd. (TSX:CGA). Miner. Down 25 cents, or 10 per cent, at $2.25 on 5,775,288 shares. The metals and mining sector dipped 0.01 per cent to 876.36 points.

Eldorado Gold Corp. (TSX:ELD). Miner. Up 58 cents, or 4.67 per cent, at $13.01 on 5,136,639 shares. The gold sector led all the advancers, up 7.42 points or 2.42 per cent, at 313.91 points.

Kinross Gold Corp. (TSX:K). Miner. Up 33 cents, or 3.93 per cent, at $8.72 on 3,815,446 shares.

Barrick Gold Corp. (TSX:ABX). Miner. Up 80 cents, or 2.19 per cent at $37.28 on 3,720,626 shares.

Yamana Gold Inc. (TSX:YRI). Miner. Up 63 cents, or 3.99 per cent, at $16.42 on 3,694,993 shares. The miner completed its acquisition of Extorre Gold Mines Ltd. (TSX:XG). Extorre's stock was up six cents, or 1.43 per cent, at $4.26 on 234,911 shares.

Lundin Mining Corp. (TSX:LUN). Miner. Up three cents, or 0.64 per cent, at $4.73 on 3,370,920 shares.

TSX Venture Exchange (1,246.66 up 6.34 points):

Rusoro Mining Ltd. (TSXV:RML). Miner. Down half a cent, or 20 per cent, at two cents on 7,041,067 shares.

Solitaire Minerals Corp. (TSXV:SLT). Miner. Down half a cent, or 33.33 per cent, at a penny on 4,733,285 shares.

Companies reporting major news:

Heritage Oil Corp. (TSX:HOC). Oil and gas. Down 15 cents, or 5.02 per cent, at $2.84 on 12,700 shares. The company said it raised combined proceeds of US$450 million through the sale of an asset in the Kurdistan region of Iraq.

Rona Inc. (TSX:RON). Hardware retailer. Down 67 cents, or 5.11 per cent, at $12.45 on 842,923 shares. Dozens of Rona's independent merchants have written to the head of Lowe's Companies (NYSE:LOW) to say they are opposed to the U.S.-based retailer's informal takeover offer. Lowe's has faced fierce opposition from the company and the Quebec provincial government since it made a $1.76-billion takeover bid to Rona.