Group 1 - The stock price of Xiaocheng Technology closed at 19.00 yuan on July 31, down 2.06% from the previous trading day [1] - The trading volume on that day was 192,100 hands, with a transaction amount of 364 million yuan, and a turnover rate of 8.22% [1] - Xiaocheng Technology's main business includes integrated circuit design, application, and sales, as well as gold mining and sales [1] Group 2 - The company stated on the interactive platform that there is currently no cooperation with the Yajiang Hydropower Station, emphasizing that business dynamics will be based on regular reports [1] - On July 31, the net outflow of main funds was 36.08 million yuan, accounting for 0.81% of the circulating market value [1] - The current price-to-earnings ratio of the stock is 118.24 times, and the price-to-book ratio is 5.11 times [1]