液冷服务器概念活跃，最牛股欧陆通周内涨近83%丨透视一周牛熊股

Market Overview - A-shares indices experienced an overall increase from August 11 to August 15, with the Shanghai Composite Index rising by 1.7% to close at 3696.77 points, the Shenzhen Component Index increasing by 4.55% to 11634.67 points, and the ChiNext Index surging by 8.58% to 2534.22 points [2] - Approximately 55% of stocks saw gains during the week, with 263 stocks rising over 15% and 10 stocks declining over 15% [2] Top Performing Stocks - The top-performing stock, Oulutong (300870.SZ), surged by 82.52% during the week, reaching a price of 249.88 yuan per share, marking a new high since its listing [3] - Other notable gainers included Zhongyou Technology (688648.SH) with a 74.05% increase, and Sainuo Medical (688108.SH) and Dayuan Pump Industry (603757.SH), both achieving over 60% growth [2][3] Liquid Cooling Server Sector - The liquid cooling server concept has been active, with the related index rising by 19.77% from August 1 to August 15 [5] - The demand for liquid cooling technology is expected to grow significantly due to increasing heat dissipation challenges in data centers and computing equipment [6] - IDC forecasts a compound annual growth rate of approximately 48% for China's liquid cooling server market from 2025 to 2029, with the market size projected to reach about $16.2 billion by 2028 [6] Company Performance - Oulutong reported a revenue of 888 million yuan in Q1 2025, reflecting a year-on-year growth of 27.65%, and a net profit of approximately 49.57 million yuan, up 59.06% year-on-year [7] - The company has fully utilized the funds raised from its initial public offering as of the announcement date [7] Underperforming Stocks - Jinhui Electric (300069.SZ) was the worst-performing stock, with a decline of 28.31% during the week, primarily due to the termination of a significant asset restructuring plan [9][12] - The company specializes in the research, production, and sales of glass insulators and has stated that the termination of the restructuring will not significantly impact its existing operations [12][13]