Group 1 - The stock price of Jian Ke Yuan on July 31 closed at 15.85 yuan, down 0.47 yuan or 2.88% from the previous trading day [1] - The opening price for the day was 16.32 yuan, with a high of 16.78 yuan and a low of 15.80 yuan, resulting in a trading volume of 111,662 hands and a transaction amount of 181 million yuan [1] - Jian Ke Yuan operates in the engineering consulting services industry, focusing on building engineering technology research and development, consulting services, and testing and certification [1] Group 2 - During the early trading session on July 31, Jian Ke Yuan experienced a rapid rebound, with a price increase of over 2% within the first five minutes, reaching a peak of 16.6 yuan and a transaction amount of 36.91 million yuan [1] - On the same day, the net outflow of main funds was 16.12 million yuan, accounting for 0.69% of the circulating market value [2]
建科院股价下跌2.88% 盘中曾现快速反弹