CEM(SZ:002980) Jin Rong Jie·2025-08-21 16:29Group 1 - The stock price of Huashengchang closed at 25.90 yuan on August 21, down 1.07 yuan, a decrease of 3.97% from the previous trading day [1] - The stock reached a high of 27.45 yuan and a low of 25.74 yuan during the day, with a total trading volume of 3.09 billion yuan and a turnover rate of 11.69% [1] - The company specializes in the research, development, production, and sales of testing and measurement instruments, primarily used in the power, electronics, and automotive manufacturing sectors [1] Group 2 - On the morning of August 21, Huashengchang experienced a rapid decline, with the stock price reported at 26.53 yuan at 9:36 AM, down 1.74% from the opening price, and a drop of over 2% within 5 minutes, with a trading volume of 79.17 million yuan during that period [1] - Data on capital flow indicated a net outflow of 26.16 million yuan from main funds on August 21, accounting for 1.01% of the circulating market value [1] - Over the past five trading days, there has been a cumulative net inflow of 27.27 million yuan from main funds, representing 1.05% of the circulating market value [1]