Group 1 - The stock price of Weiman Sealing closed at 38.86 yuan on August 11, 2025, down 1.35% from the previous trading day [1] - The stock exhibited volatility, opening at 38.30 yuan, dipping to a low of 37.80 yuan, and then rebounding to 38.82 yuan with a more than 2% increase within five minutes [1] - The total trading volume for the day reached 650 million yuan, indicating active market participation [1] Group 2 - Weiman Sealing specializes in the research, production, and sales of sealing materials and products, which are widely used in industries such as construction machinery, automotive manufacturing, and semiconductors [1] - The company operates within the plastic products sector and is also associated with the construction machinery and semiconductor concepts [1] - On August 11, the net inflow of main funds into Weiman Sealing was 37.19 million yuan, with a cumulative net inflow of 91.04 million yuan over the past five days [1] - The turnover rate for the day was 31.59%, reflecting a relatively active trading environment [1]