鼎胜新材涨2.04%，成交额1.45亿元，主力资金净流入269.15万元

Group 1 - The stock price of Ding Sheng New Materials has increased by 36.75% year-to-date, with a 14.48% rise in the last five trading days and a 27.33% increase over the past 20 days [2] - The company reported a revenue of 13.314 billion yuan for the first half of 2025, representing a year-on-year growth of 15.94%, and a net profit attributable to shareholders of 188 million yuan, up 2.33% year-on-year [2] - Ding Sheng New Materials specializes in the research, production, and sales of aluminum foil, accounting for 83.21% of its main business revenue, followed by aluminum plates and strips at 12.36% [2] Group 2 - As of June 30, 2025, the number of shareholders for Ding Sheng New Materials was 45,500, a decrease of 7.03% from the previous period, while the average circulating shares per person increased by 8.91% to 20,420 shares [2] - The company has distributed a total of 910 million yuan in dividends since its A-share listing, with 682 million yuan distributed over the past three years [3] - The major shareholder structure includes Hong Kong Central Clearing Limited as the ninth largest circulating shareholder, holding 8.8482 million shares as a new investor [3]