亚星化学跌2.04%，成交额7110.28万元，主力资金净流出244.05万元

Group 1 - The core viewpoint of the news is that Yaxing Chemical's stock has experienced significant fluctuations, with a year-to-date increase of 70.21% and recent trading activity showing a decline of 2.04% on September 3 [1] - As of June 30, Yaxing Chemical's shareholder count was 15,700, a decrease of 3.28% from the previous period, with an average of 20,098 circulating shares per person, an increase of 3.39% [2] - The company operates primarily in the chemical sector, focusing on the research, production, and sales of products such as caustic soda and CPE, with 99.86% of its revenue coming from chemical products [1][2] Group 2 - For the first half of 2025, Yaxing Chemical reported a revenue of 428 million yuan, a year-on-year decrease of 2.89%, and a net profit attributable to shareholders of -96.534 million yuan, a decline of 54.70% [2] - The company has not distributed any dividends in the last three years, with a total payout of 224 million yuan since its A-share listing [3]