欧普康视跌2.01%，成交额2.06亿元，主力资金净流出2829.11万元

Core Viewpoint - The stock of Opcon Vision has experienced a decline in recent trading sessions, with a notable drop of 3.61% year-to-date and 5.40% over the last five trading days, indicating potential concerns among investors regarding the company's performance and market conditions [1][2]. Financial Performance - For the first half of 2025, Opcon Vision reported a revenue of 871 million yuan, reflecting a year-on-year decrease of 1.42%. The net profit attributable to shareholders was 250 million yuan, down 22.93% compared to the previous year [2]. - Since its A-share listing, the company has distributed a total of 897 million yuan in dividends, with 526 million yuan distributed over the last three years [3]. Shareholder and Market Activity - As of August 20, 2025, the number of shareholders for Opcon Vision was 64,100, a decrease of 1.07% from the previous period. The average number of circulating shares per shareholder increased by 1.08% to 10,432 shares [2]. - The stock's trading activity showed a net outflow of 28.29 million yuan from major funds, with significant selling pressure observed [1]. Business Overview - Opcon Vision, established on October 26, 2000, and listed on January 17, 2017, specializes in the research, production, and sales of optical products and related services. Its revenue composition includes hard contact lenses (40.86%), other optical products and technical services (21.52%), medical services (19.89%), nursing products (12.57%), non-optical products (4.60%), and other supplementary products (0.55%) [1]. - The company operates within the pharmaceutical and biological industry, specifically in the medical device and consumables sector, and is associated with concepts such as ophthalmology, medical devices, smart healthcare, and health initiatives [1]. Institutional Holdings - As of June 30, 2025, notable institutional shareholders include Huabao Zhongzheng Medical ETF, Yifangda Growth Enterprise Board ETF, and Southern Zhongzheng 500 ETF, with increases in their respective holdings [3].