Core Viewpoint - Teekay Tankers Ltd. (NYSE:TNK) experienced a 3.91% decline in share price from September 18 to September 25, 2025, making it one of the energy stocks that suffered the most during that week [1][2]. Group 1: Company Overview - Teekay Tankers Ltd. provides marine transportation services to the oil industry, operating in Bermuda and internationally [2]. Group 2: Industry Concerns - A consortium of global shipping operators has expressed serious concerns regarding the Net Zero Framework (NZF) proposed for adoption by the United Nations' International Maritime Organization (IMO) next month, which has negatively impacted shipping stocks, including Teekay Tankers [2]. - The consortium stated that the IMO NZF would not effectively support the decarbonization of the maritime industry and would fail to ensure a level playing field, calling for critical amendments before adoption [3]. - The United States has already rejected the deal and threatened tariffs, visa restrictions, and port levies on countries that support the NZF [3].

Group 1 - Frontline plc (NYSE:FRO) experienced a share price decline of 3.23% from September 18 to September 25, 2025, ranking among the energy stocks that lost the most during that week [1] - The company operates in the shipping sector, focusing on the ownership and operation of oil and product tankers globally [2] - Frontline plc, along with other international operators, has raised serious concerns regarding the proposed Net Zero Framework aimed at reducing marine fuel emissions, as the global shipping industry contributes nearly 3% of the world's carbon emissions [3] Group 2 - Despite the recent share price downturn, Frontline plc's stock has increased by over 57% since the beginning of the year [4]