Group 1 - As of August 27, 2025, the stock price of Kangtai Biological reported at 18.91 yuan, down by 0.67 yuan, a decrease of 3.42% from the previous trading day [1] - The trading volume on that day was 324,800 hands, with a transaction amount of 630 million yuan, and a fluctuation of 4.80% [1] - Kangtai Biological's main business includes the research, production, and sales of vaccines and biological products, covering areas such as hepatitis B vaccine, influenza vaccine, and pneumonia vaccine [1] Group 2 - The company operates within the biopharmaceutical industry, involving concepts such as innovative drugs and smallpox virus prevention [1] - There have been no significant announcements or industry dynamics disclosed by Kangtai Biological recently [1] - On August 27, the net outflow of main funds was 27.6124 million yuan, with a cumulative net outflow of 148 million yuan over the past five trading days, indicating a short-term outflow of funds [1]

Group 1 - The stock price of Kangtai Biological reported at 19.58 yuan as of August 26, 2025, with a decrease of 0.42 yuan, representing a decline of 2.10% from the previous trading day [1] - The opening price for the day was 20.01 yuan, with a highest point of 20.42 yuan and a lowest point of 19.51 yuan, resulting in a trading volume of 384,900 hands and a transaction amount of 763 million yuan [1] - The main business of Kangtai Biological includes research, production, and sales of vaccines, covering products such as hepatitis B vaccine, Hib vaccine, and pneumonia vaccine [1] Group 2 - The company operates in the biopharmaceutical industry, also involving concepts related to innovative drugs and smallpox virus prevention [1] - On August 26, the net outflow of main funds was 43.3053 million yuan, accounting for 0.25% of the circulating market value [1] - Over the past five trading days, the cumulative net outflow of main funds reached 75.9675 million yuan, representing 0.43% of the circulating market value [1]

Group 1 - The stock price of Shuoshi Biological as of August 22, 2025, closed at 63.56 yuan, down 1.00% from the previous trading day [1] - The company opened at 64.42 yuan, reached a high of 64.72 yuan, and a low of 63.52 yuan, with a trading volume of 1.11 billion yuan and a turnover rate of 2.07% [1] - Shuoshi Biological specializes in the research, production, and sales of in vitro diagnostic reagents, covering areas such as infectious diseases and tumor markers [1] Group 2 - The company has recently sparked market discussions due to its dividend plan, proposing a cash dividend of 34 yuan for every 10 shares, totaling 285 million yuan, with a dividend payout ratio of 7142.28% [1] - Notably, the company's net profit for the first half of the year was only 3.99 million yuan, indicating that the dividend amount significantly exceeds its current profit level [1] - On August 22, the net outflow of main funds for Shuoshi Biological was 13.31 million yuan, with a cumulative net outflow of 48.88 million yuan over the past five days [1]

Group 1 - The stock price of Yirui Bio is reported at 13.15 yuan, down 2.01% from the previous trading day, with an intraday high of 13.46 yuan and a low of 12.96 yuan, and a trading volume of 114 million yuan [1] - Yirui Bio's main business includes food rapid testing, animal epidemic disease testing, and in vitro diagnostics, with food rapid testing accounting for over 90% of its business [1] - The company is associated with sectors such as chemical pharmaceuticals, smallpox virus prevention, and specialized and innovative enterprises [1] Group 2 - On August 20, Yirui Bio announced that the board decided not to redeem the "Yirui Convertible Bonds" early, and if redemption clauses are triggered again within the next three months, the company will still not exercise its redemption rights [1] - On the same day, the net inflow of main funds was 4.467 million yuan, while the cumulative net outflow of main funds over the past five days was 10.4952 million yuan [1]

Group 1 - The stock price of Asia Pacific Pharmaceutical as of August 6, 2025, is 7.17 yuan, down 3.5% from the previous trading day, with a trading volume of 1.681 billion yuan and a turnover rate of 30.37% [1] - The stock experienced significant volatility during the day, reaching a high of 7.75 yuan and a low of 7.03 yuan, resulting in an amplitude of 9.69% [1] - Asia Pacific Pharmaceutical operates in the chemical pharmaceutical sector, focusing on drug research, production, and sales, with key products including anti-infection drugs and gastrointestinal medications [1] Group 2 - In the early morning of August 6, the stock price of Asia Pacific Pharmaceutical quickly retraced, dropping over 2% within five minutes, with a minimum price of 7.48 yuan and a trading volume of 573 million yuan [1] - On August 6, the net outflow of main funds was 44.7413 million yuan, accounting for 0.84% of the circulating market value, while the cumulative net outflow over the past five trading days reached 310 million yuan, representing 5.79% of the circulating market value [1]