The share price of Transportadora de Gas del Sur S.A. (NYSE:TGS) fell by 20.23% between September 5 and September 12, 2025, putting it among the Energy Stocks that Lost the Most This Week. Transportadora de Gas del Sur (TGS): Among the Argentinian Stocks that Slumped Recently Transportadora de Gas del Sur S.A. (NYSE:TGS) engages in transportation of natural gas, and production and commercialization of natural gas liquids in Argentina and internationally. Transportadora de Gas del Sur S.A. (NYSE:TGS) was ...