Group 1 - The stock price of Youde Precision closed at 21.01 yuan on July 31, 2025, down 0.94 yuan or 4.28% from the previous trading day [1] - The stock opened at 21.60 yuan, reached a high of 22.39 yuan, and a low of 20.79 yuan, with a volatility of 7.29% [1] - The total trading volume for the day was 132,100 hands, with a transaction amount of 281 million yuan [1] Group 2 - Youde Precision specializes in the research, production, and sales of precision mechanical components and molds, primarily serving the automotive, electronics, and medical industries [1] - The company is classified under the specialized equipment manufacturing industry and is also involved in sub-sectors such as robotics and reducers [1] - On the morning of July 31, the stock experienced a rapid decline, with a drop of over 2% within 5 minutes at 9:36 AM, resulting in a transaction amount of 36.94 million yuan [1] - The net outflow of main funds for the day was 17.11 million yuan, accounting for 0.81% of the circulating market value [1]