Ge Long Hui·2025-10-20 05:21Core Viewpoint - The A-share market saw a significant rise in gas stocks, driven by a cold air mass affecting the central and eastern regions of China, leading to lower temperatures and an early onset of winter [1] Group 1: Market Performance - Gas stocks in the A-share market experienced notable gains in the afternoon session, with Guo Xin Energy hitting the daily limit up [1] - Other companies such as Dazhong Public Utilities, Baichuan Energy, Tianhao Energy, Changchun Gas, and Hongtong Gas also saw increases in their stock prices [1] Group 2: Weather Impact - A cold air mass is expected to continue moving east and south, impacting the central and eastern regions of China on October 20 and 21 [1] - Northern regions are experiencing persistently low temperatures, while southern areas are forecasted to reach new lows for the second half of the year [1] - This cold air mass is causing many areas in North China to enter the winter season earlier than usual [1]