BIO-CHEM(SH:603360) Xin Lang Cai Jing·2025-09-22 05:52Group 1 - The core point of the news is that Baiao Chemical's stock price dropped by 5.01% to 25.58 CNY per share, with a trading volume of 494 million CNY and a turnover rate of 2.69%, resulting in a total market capitalization of 18.065 billion CNY [1] - Baiao Chemical, established on September 22, 2003, and listed on February 6, 2017, specializes in the research, production, and sales of isothiazolinone-based industrial biocides [1] - The company's main business revenue composition includes industrial biocides at 54.95%, semiconductors at 44.36%, key components and consumables at 0.23%, sales of by-products at 0.23%, and others at 0.22% [1] Group 2 - From the perspective of Baiao Chemical's top ten circulating shareholders, Southern Fund has a fund that ranks among the top shareholders, specifically the Southern CSI 1000 ETF (512100), which entered the top ten in the second quarter with 3.2711 million shares, accounting for 0.46% of circulating shares [2] - The estimated floating loss for the Southern CSI 1000 ETF today is approximately 4.416 million CNY [2] - The Southern CSI 1000 ETF was established on September 29, 2016, with a latest scale of 64.953 billion CNY, and has achieved a year-to-date return of 26.2% [2]