CALGARY, May 16, 2013/PRNewswire/ - Gran Tierra Energy Inc. (NYSE MKT: GTE, TSX: GTE), a company focused on oil exploration and production in South America, today announced successful bids on three blocks in the recently completed 2013 Brazil ...

Hartford, CT 05/08/2013 (GDPInsider) - Gran Tierra Energy Inc. (NYSEMKT:GTE) shares were down by 1.14% to close at $6.08. GTE is a Canada-headquartered global energy company engaged in oil and gas exploration with a market capitalization worth ...

CALGARY, May 6, 2013 /PRNewswire/ - Gran Tierra Energy Inc. ("Gran Tierra Energy") (NYSE MKT: GTE, TSX: GTE), a company focused on oil and gas exploration and production in South America, today announced its financial and operating results for the ...

Active Network Inc(NYSE:ACTV) shares jumped 9.01% and closed at $6.05. The company, on May 2, announced its financial results for the first quarter ended March 31, 2013.

CALGARY, May 1, 2013 /CNW/ - Gran Tierra Energy Inc. (NYSE MKT: GTE) (TSX: GTE) ("Gran Tierra Energy"), a company focused on oil and gas exploration and production in South America, today announced that it will host its first quarter 2013 results ...

First Quantum Minerals Ltd. (TSX:FM): First-quarter ended March 31, 2013, $139.3 million, 23 cents per diluted share; 2012, $1.36 billion, $2.81 per diluted share.

Gran Tierra Energy Inc. (NYSEMKT: GTE) is an independent international energy company engaged in oil and gas acquisition, exploration, development and production.

Shares of Gran Tierra Energy (NYSEAMEX: GTE) opened at 6.18 on Wednesday. Gran Tierra Energy has a one year low of $4.00 and a one year high of $6.30.

Gran Tierra Energy Inc. (NYSEAMEX: GTE) is an independent international energy company engaged in oil and gas acquisition, exploration, development and production.

Gran Tierra Energy Inc. (TSE:GTE) (NYSE:GTE), meanwhile, was boosted nearly 10% after it posted record returns for the first quarter of 2013 on the back of a 32 per cent revenue increase driven by a massive rise in production.