亚辉龙开盘跳水，宣布跨界脑机接口不到2日，被监管警示

Core Viewpoint - The company Yahui Long (688575.SH) is exploring opportunities in the brain-computer interface (BCI) sector through a strategic cooperation agreement with Shenzhen Brain Machine Starlink Technology Co., Ltd, amidst declining performance in its core business of in vitro diagnostics [1][5]. Group 1: Strategic Cooperation - Yahui Long signed a strategic cooperation framework agreement with Brain Machine Starlink to integrate BCI technology with clinical and market resources for product development and market expansion in central nervous system diseases [1]. - The Shanghai Stock Exchange issued an inquiry to Yahui Long regarding the technical route, product types, application fields, and the feasibility of market promotion related to the cooperation [1][12]. - The cooperation has raised concerns about potential insider information leaks, prompting Yahui Long to conduct a self-examination of insider trading related to the agreement [1][3]. Group 2: Financial Performance - Yahui Long's revenue for the first three quarters of 2025 was 1.287 billion yuan, a year-on-year decline of 7.69%, with a net profit of 60.42 million yuan, down 72.36% year-on-year [5]. - The company's stock price fell by 8.83% in the previous year, with its market capitalization dropping below 10 billion yuan to around 9 billion yuan [5]. - Following the announcement of the BCI cooperation, Yahui Long's stock experienced a brief increase but subsequently faced significant skepticism and a decline in price [4][11]. Group 3: Company Background and Market Context - Yahui Long, a newcomer in the IVD sector, has faced challenges due to reduced domestic demand influenced by market policies, leading to a downturn in both performance and market value [5]. - Brain Machine Starlink, established in September 2025 with a registered capital of 5 million yuan, is relatively unknown in the industry, raising questions about its business prospects [5][6]. - The products under development by Brain Machine Starlink, including non-invasive devices for sleep monitoring and neurological conditions, are still in early research stages and have not yet entered the registration phase [10].