鼎胜新材涨2.12%，成交额1.06亿元，主力资金净流入777.02万元

Group 1 - The core viewpoint of the news is that Ding Sheng New Materials has shown significant stock performance and financial growth, with a notable increase in revenue and net profit year-on-year [1][2] - As of January 15, Ding Sheng New Materials' stock price increased by 6.06% since the beginning of the year, with a recent drop of 2.21% over the last five trading days, but a substantial rise of 31.68% over the last 20 days and 44.46% over the last 60 days [1] - The company specializes in the research, production, and sales of aluminum foil, with its main business revenue composition being 85.57% from aluminum foil products, 12.80% from aluminum plates and strips, and 1.64% from other sources [1] Group 2 - As of December 20, the number of shareholders for Ding Sheng New Materials decreased by 16.89% to 42,800, while the average circulating shares per person increased by 20.33% to 21,711 shares [2] - For the period from January to September 2025, Ding Sheng New Materials achieved an 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] - Since its A-share listing, Ding Sheng New Materials has distributed a total of 949 million yuan in dividends, with 720 million yuan distributed over the past three years [2]