A股开年站上4000点，脑机接口引爆批量涨停

Market Performance - The A-share market experienced a "good start" on the first trading day of the new year, with the Shanghai Composite Index rising over 1% and surpassing the 4000-point mark [1] - The technology growth sector led the gains, particularly in the electronics and pharmaceutical biotechnology sectors, with multiple stocks hitting the daily limit [3] - Non-bank financial sectors, especially insurance stocks, also showed strong performance, while sectors like oil and banking experienced adjustments [3] Brain-Computer Interface Sector - The brain-computer interface (BCI) concept sector performed exceptionally well, with stocks like BeiYikang hitting a 30% limit up, and several others, including BoTuo Bio and Sanbo Neuroscience, reaching 20% limit up [3] - Elon Musk announced plans for large-scale production of BCI devices by his company Neuralink, which aims to streamline surgical processes and enhance device control capabilities [3] - Domestic companies are actively engaging in BCI business, with Meihao Medical collaborating with BCI clients, and Xiangyu Medical planning to expand its BCI project to over 700 medical institutions by early 2026 [4] Company Developments - Meihao Medical indicated that artificial cochlear implants are a significant application direction for BCI, although current revenue from this business is still small [4] - Xiangyu Medical aims to establish a comprehensive product matrix for BCI by entering over 1000 top-tier hospitals within the year [4] - Entropy Technology is focusing on developing next-generation BCI algorithms and advancing hybrid biometric recognition and brain signal analysis [4] Hong Kong Market Activity - In the Hong Kong market, BCI-related stocks also showed significant activity, with Nanjing Panda Electronics rising over 40% and other stocks like Micro-Innovation Brain Science experiencing substantial gains [4]