Group 1 - The stock price of Zhongke Haixun experienced fluctuations on August 15, closing at 45.47 yuan, down 0.61% from the previous trading day [1] - The intraday price range was significant, with a high of 46.36 yuan and a low of 43.49 yuan, resulting in a volatility of 6.27% [1] - The trading volume for the day was 88,570 hands, with a total transaction value of 399 million yuan [1] Group 2 - Zhongke Haixun operates in the software development industry, focusing on the research, production, and sales of sonar equipment and related products [1] - As a specialized and innovative enterprise in the Beijing area, Zhongke Haixun has accumulated certain expertise in relevant technological fields [1] Group 3 - On August 15, the net outflow of main funds for Zhongke Haixun was 10.7093 million yuan, with a cumulative net outflow of 69.0031 million yuan over the past five trading days [1] - The stock showed rapid rebounds and corrections during the day, with a rebound exceeding 2% at 10:34 AM, followed by a quick correction of over 2% at 10:39 AM [1]