Core Insights - The gas and thermal power sectors have shown strong performance in the afternoon trading session on October 20, with notable stocks experiencing significant gains [1] Group 1: Market Performance - Guo New Energy has achieved a remarkable performance with 4 consecutive trading days of gains [1] - Hengsheng Energy, Jingneng Thermal Power, and Huitian Thermal Power have all reached their daily price limit [1] - Other companies such as Changchun Gas, Shouhua Gas, and Langfang Development have also reported substantial increases in their stock prices [1]