鼎胜新材跌2.07%，成交额2.74亿元，主力资金净流出2800.10万元

Group 1 - The core viewpoint of the news is that Ding Sheng New Materials has experienced fluctuations in stock price and trading volume, with a notable increase in stock price over the year and recent trading days [1] - As of December 24, Ding Sheng New Materials' stock price was 13.74 yuan per share, with a market capitalization of 12.768 billion yuan [1] - The company has seen a year-to-date stock price increase of 57.03%, with a 9.31% increase over the last five trading days [1] Group 2 - For the period from January to September 2025, Ding Sheng New Materials achieved operating revenue of 19.604 billion yuan, representing a year-on-year growth of 11.29%, and a net profit attributable to shareholders of 307 million yuan, up 36.61% year-on-year [2] - The number of shareholders as of December 20 was 42,800, a decrease of 16.89% from the previous period, while the average circulating shares per person increased by 20.33% to 21,711 shares [2] - The company has distributed a total of 949.7 million yuan in dividends since its A-share listing, with 720 million yuan distributed over the past three years [3]