SDL(SZ:002658) Jin Rong Jie·2025-08-21 16:19Group 1 - The latest stock price of Xuedilong is 8.60 yuan, an increase of 0.35 yuan from the previous trading day, with a highest intraday price of 8.62 yuan and a lowest of 8.23 yuan, and a trading volume of 502,360 hands, amounting to 426 million yuan [1] - Xuedilong operates in the instrumentation industry, focusing on the research, production, and sales of environmental monitoring equipment, with 92.99% of the company's revenue from instrumentation in the first half of 2025 [1] - On August 21, the company held its 21st meeting of the fifth board of directors, approving the proposal to convene the first extraordinary shareholders' meeting of 2025, and the supervisory board also approved several proposals including the half-year report for 2025 [1] Group 2 - On the same day, the net inflow of main funds was 54.30 million yuan, with a cumulative net inflow of 38.02 million yuan over the past five trading days [2]