上海新阳跌2.01%，成交额2.51亿元，主力资金净流出742.19万元

Group 1 - The core viewpoint of the news is that Shanghai Xinyang's stock has experienced significant fluctuations, with a year-to-date increase of 74.47% and a recent decline in trading activity [1] - As of December 10, 2025, Shanghai Xinyang reported a revenue of 1.394 billion yuan, representing a year-on-year growth of 30.62%, and a net profit attributable to shareholders of 211 million yuan, up 62.70% [2] - The company's main business segments include integrated circuit materials (74.93% of revenue), coatings (20.86%), and related equipment and services [1] Group 2 - Shanghai Xinyang has a total market capitalization of 20.291 billion yuan, with a trading volume of 251 million yuan and a turnover rate of 1.38% [1] - The company has distributed a total of 458 million yuan in dividends since its A-share listing, with 189 million yuan distributed in the last three years [3] - As of September 30, 2025, the number of shareholders decreased to 39,700, with an average of 7,016 circulating shares per person, indicating a slight increase of 0.90% [2]