Group 1 - The latest stock price of Maipu Medical is 80.19 yuan, an increase of 0.89 yuan from the previous trading day [1] - The opening price was 79.36 yuan, with a highest point of 80.79 yuan and a lowest point of 77.04 yuan, and the trading volume reached 12,446 hands with a transaction amount of 0.98 billion yuan [1] - On August 28, around 13:15, Maipu Medical experienced a rapid rebound, with a price increase of over 2% within 5 minutes, rising from 78.74 yuan to 79.21 yuan, and the transaction amount during this period was 46.14 million yuan with a turnover rate of 1.05% [1] Group 2 - Maipu Medical operates in the medical device industry, focusing on the research and production of implantable medical devices in neurosurgery and dentistry [1] - The company is recognized as a high-tech enterprise, with a product line that includes artificial dura mater and craniofacial repair systems among other medical consumables [1] Group 3 - In terms of capital flow, Maipu Medical saw a net outflow of 5.62 million yuan on that day, with a cumulative net outflow of 24.14 million yuan over the past five trading days [1]

Group 1 - The stock price of Maipu Medical experienced fluctuations on August 19, closing at 85.68 yuan, down 1.29% from the previous trading day [1] - The trading volume on that day was 12,560 hands, with a transaction amount of 1.09 billion yuan, and a price fluctuation of 5.28% [1] - Maipu Medical operates in the medical device industry, focusing on the research and production of implantable medical devices in neurosurgery and oral fields, with products including artificial dura mater and craniofacial repair systems [1] Group 2 - On August 18, the company announced that shareholder Guoshou Chengda completed a reduction plan, selling a total of 1.9956 million shares, accounting for 2.9958% of the company's total share capital [1] - After the reduction, Guoshou Chengda's shareholding ratio decreased to 1.9093% [1] - On August 19, the net inflow of main funds was 6.2331 million yuan, representing 0.13% of the circulating market value, while the cumulative net outflow over the past five trading days was 3.0485 million yuan, accounting for 0.06% of the circulating market value [1]