Group 1 - Shanghai Xiba's stock price closed at 67.82 yuan on August 7, down by 2.61 yuan, a decrease of 3.71% from the previous trading day [1] - The trading volume on that day was 115,679 hands, with a transaction amount reaching 798 million yuan [1] - The company primarily engages in water treatment chemicals and technical services, operating in the environmental protection industry, covering industrial water treatment, municipal water treatment, and air governance [1] Group 2 - As of May 30, 2025, the number of shareholders for Shanghai Xiba was 26,900, a decrease of 5,418 shareholders, representing a reduction of 16.79% [1] - The average number of circulating shares held per shareholder increased from 5,437 shares to 6,534 shares, with an average circulating market value of 227,900 yuan [1] - On August 7, the net outflow of main funds for Shanghai Xiba was 94.63 million yuan, with a cumulative net outflow of 107.88 million yuan over the past five days [1]