Zheng Quan Shi Bao Wang·2025-06-20 09:21Group 1 - The brain-computer interface sector experienced a decline of 3.34%, ranking among the top losers in the concept sector as of the market close on June 20 [1][2] - Within the brain-computer interface sector, major companies such as Hanwei Technology, Nanjing Panda, and Aipeng Medical saw significant declines, while only two stocks, Haige Communication and ST Huatuo, recorded gains of 1.46% and 1.05% respectively [1][2] - The sector faced a net outflow of 546 million yuan from main funds, with 23 stocks experiencing net outflows, and seven stocks seeing outflows exceeding 30 million yuan [2] Group 2 - Hanwei Technology led the outflow with a net withdrawal of 133 million yuan, followed by Innovative Medical and Tom Cat with outflows of 129 million yuan and 116 million yuan respectively [2][3] - The stocks with the highest net inflows included ST Huatuo, Haige Communication, and Lepu Medical, with inflows of 58.93 million yuan, 35.06 million yuan, and 23.44 million yuan respectively [2][3] - The trading volume for Hanwei Technology was 12.95%, indicating a high turnover rate despite the decline of 6.59% in its stock price [2][3]