Group 1 - The company's stock price on August 8 closed at 7.25 yuan, down 0.04 yuan or 0.55% from the previous trading day [1] - The stock price fluctuated between 7.04 yuan and 7.43 yuan, with a volatility of 5.35% and a trading volume of 2.35 billion yuan [1] - The company operates in the specialized equipment manufacturing sector, focusing on the research, production, and sales of road construction machinery [1] Group 2 - On August 8, the company executed two block trades totaling 2.156 million shares, amounting to 13.6691 million yuan, with an average transaction price of 6.34 yuan, representing a 12.55% discount to the closing price [1] - The main buyer was Shen Gang Securities Beijing Branch, while the sellers were from China Merchants Securities Shenzhen and Wukuang Securities Shenzhen [1] - On the same day, there was a net inflow of 9.9435 million yuan in main funds, accounting for 0.43% of the circulating market value, while the cumulative net outflow over the past five trading days was 19.0193 million yuan, representing 0.83% of the circulating market value [1]