Group 1 - The stock price of the company, DianSheng Co., is reported at 11.74 yuan, down by 0.12 yuan or 1.01% from the previous trading day [1] - The company achieved a revenue of 638 million yuan and a net profit attributable to shareholders of 4.34 million yuan in the first quarter of 2025 [1] - The main business of the company includes the research, production, and sales of electroacoustic products, primarily speakers and receivers [1] Group 2 - The controlling shareholder's concerted actions led to a reduction of 5.5 million shares, accounting for 1.2964% of the total share capital, between August 11 and 12 [1] - On August 13, the net outflow of main funds was 11.6979 million yuan, with a cumulative net outflow of 26.8045 million yuan over the past five days [1]