Group 1 - As of August 27, 2025, Lehman Optoelectronics' stock price is 7.86 yuan, down 4.84% from the previous trading day, with a trading volume of 149 million yuan [1] - Lehman Optoelectronics operates in the optical optoelectronics industry, focusing on the research, production, and sales of LED display, lighting, and packaging products, headquartered in Shenzhen, with applications in commercial displays, sports venues, and education [1] - In the first half of 2025, Lehman Optoelectronics reported a net profit attributable to shareholders of 4.8592 million yuan, a year-on-year decrease of 35.89% [2] Group 2 - On August 27, 2025, the net outflow of main funds was 14.0296 million yuan, with a cumulative net outflow of 32.3517 million yuan over the past five days [3]