Ge Long Hui·2025-10-31 08:00Group 1 - The A-share market showed mixed performance in October, with the Shanghai Composite Index rising by 1.85% to close at 3954 points, briefly surpassing 4000 points, marking a ten-year high and achieving a cumulative increase of nearly 18% this year [1] - The Shenzhen Component Index fell by 1.1% to 13378 points, with a cumulative increase of 28.46% this year, while the ChiNext Index decreased by 1.56% to 3187 points, with a cumulative increase of 48.84% this year [1] - The STAR 50 Index dropped by 5.33%, while the North Exchange 50 Index increased by 3.54% during the same period [1] Group 2 - The top five performing sectors over the past 20 trading days included Energy Metals (+15.55%), Coal Mining and Processing (+12.6%), Industrial Metals (+12.25%), Steel (+10.52%), and Insurance (+9.86%) [1] - Conversely, the sectors with the largest declines were Gaming (-8.28%), Black Home Appliances (-5.96%), Communication Equipment (-4.07%), Film and Cinema (-3.77%), and Kitchen and Bathroom Appliances (-3.66%) [1] Group 3 - The top five individual stocks with the highest gains in October were Chaoying Electronics (+330.8%), C He Yuan-U (+325.15%), Daosheng Tianhe (+279.6%), Aomeisen (+276.36%), and Changjiang Nengke (+247.09%) [1] - The stocks with the largest declines included *ST Yuancheng (-56.67%), Guomai Culture (-42.2%), Fujie Environmental Protection (-31.09%), Jiyou Co., Ltd. (-29.47%), and Yitian Intelligent (-27.62%) [1]