沃尔核材涨2.44%，成交额17.42亿元，主力资金净流出1.62亿元

Group 1 - The core viewpoint of the news is that沃尔核材 has shown significant stock price growth and trading activity, with a year-to-date increase of 7.11% and a recent 60-day increase of 27.10% [1] - As of August 29,沃尔核材's stock price reached 26.90 yuan per share, with a total market capitalization of 338.91 billion yuan [1] - The company has experienced net outflows of 1.62 billion yuan in principal funds, with large orders showing mixed buying and selling activity [1] Group 2 -沃尔核材, established on June 19, 1998, specializes in high polymer nuclear radiation modified new materials and related products, with a revenue composition of 33.79% from electronic materials and 31.58% from communication cables [2] - The company reported a revenue of 39.45 billion yuan for the first half of 2025, reflecting a year-on-year growth of 27.46%, and a net profit of 5.58 billion yuan, up 33.06% [2] - As of June 30, 2025, the number of shareholders decreased by 18.38% to 198,500, while the average circulating shares per person increased by 12.25% to 5,765 shares [2] Group 3 - Since its A-share listing,沃尔核材 has distributed a total of 7.79 billion yuan in dividends, with 4.33 billion yuan distributed in the last three years [3] - As of June 30, 2025,南方中证500ETF has become the fifth largest circulating shareholder, holding 14.9686 million shares, while Hong Kong Central Clearing Limited has exited the top ten circulating shareholders [3]