凯盛新材跌2.01%，成交额3.11亿元，主力资金净流出3733.70万元

Group 1 - The core viewpoint of the news is that Kaisheng New Materials has experienced a stock price decline of 2.01% on December 26, with a current price of 28.30 yuan per share and a total market capitalization of 11.904 billion yuan [1] - The company has seen a significant stock price increase of 92.26% year-to-date, with a slight decline of 0.25% over the last five trading days, and increases of 5.83% and 26.91% over the last 20 and 60 days, respectively [1] - Kaisheng New Materials specializes in the research, production, and sales of fine chemical products and new polymer materials, with its main business revenue composition being 59.25% from carboxylic chlorides, 26.23% from inorganic chemicals, and 13.93% from hydroxyl chlorides [1] Group 2 - As of December 19, the number of shareholders for Kaisheng New Materials has increased by 10.30% to 48,300, while the average circulating shares per person have decreased by 9.34% to 8,091 shares [2] - For the period from January to September 2025, the company achieved an operating income of 774 million yuan, representing a year-on-year growth of 11.22%, and a net profit attributable to the parent company of 116 million yuan, reflecting a significant year-on-year increase of 121.56% [2] - The company has distributed a total of 294 million yuan in dividends since its A-share listing, with 189 million yuan distributed over the past three years [3]