The share price of Gran Tierra Energy Inc. (NYSE:GTE) surged by 21.1% between February 13 and February 20, 2026, putting it among the Energy Stocks that Gained the Most This Week. Here is Why Gran Tierra Energy (GTE) Gained This Week Gran Tierra Energy Inc. (NYSE:GTE) is an independent international energy company currently focused on oil and natural gas exploration and production in Canada, Colombia, and Ecuador. Gran Tierra Energy Inc. (NYSE:GTE) rallied on February 19 when the company announced that ...