Group 1 - The company's stock closed at 4.40 yuan on July 29, down 0.12 yuan or 2.65% from the previous trading day [1] - The stock opened at 4.59 yuan, reached a high of 4.79 yuan, and a low of 4.36 yuan, with a trading range of 9.51% [1] - The total trading volume for the day was 720,205 hands, with a transaction amount of 325 million yuan and a turnover rate of 7.84% [1] Group 2 - The company operates in the health industry, with main products including tiles and negative ion health materials, as well as services in medical care and health management [1] - The company is registered in Shanghai and has a business scope that covers building materials manufacturing and medical services [1] Group 3 - During the morning session on July 29, the company's stock experienced a rapid decline, with a drop of over 2% within the first five minutes before 9:35 AM, and a transaction amount of 103 million yuan at that time [1] - The net outflow of main funds for the day was 14.647 million yuan, accounting for 0.36% of the circulating market value [1]