Market Overview - A total of 74 stocks in the A-share market hit the daily limit, with 61 stocks after excluding 13 ST stocks, resulting in a limit-up rate of 70.48% [1] Limit-Up Stocks - The highest limit-up order volume was for Jishi Media at 456,900 hands, followed by Beixin Road and Bridge, Ningbo Yunsheng, and Zhongchao Holdings with 247,800 hands, 233,900 hands, and 204,800 hands respectively [2] - *ST Yushun achieved 6 consecutive limit-ups, while Guoji Precision and others had 5 consecutive limit-ups [2] Key Stocks and Financial Performance - Ningbo Yunsheng's limit-up order funds exceeded 339 million yuan, with a projected net profit of 90 million to 135 million yuan for the first half of the year, representing a year-on-year growth of 133.55% to 250.33% [3] - The company focuses on the new energy vehicle, consumer electronics, and industrial applications, and is a leading player in the rare earth permanent magnet materials sector [3] Regional Stocks - Several stocks from Xinjiang, including Xinjiang Communications Construction, Tianshan Shares, and Guotong Shares, also hit the limit, driven by the establishment of a new railway company by China National Railway Group [4][5] Satellite Internet Sector - Stocks such as Deen Precision and Wantong Development surged following the successful launch of low-orbit satellite internet satellites [7] - Wantong Development's subsidiary focuses on microwave and millimeter-wave chips for satellite internet and 5G applications [8] Liquid Cooling Servers - Stocks like Rihai Intelligent and Yingweike saw limit-ups, with Rihai Intelligent offering liquid cooling server cabinets [9][10] Institutional and Retail Investment Trends - Institutional net purchases were led by Zhongxin Fluorine Materials with over 260 million yuan, followed by Guoji Precision and Ashi Creation [11][13] - Retail investors showed net selling in stocks like Huasheng Tiancai and Furi Electronics [15]

Group 1 - The company, Wanma Technology, has a diverse range of data center products in the communication equipment industry, including modular data centers, integrated data centers, and box-type data centers [2] - Fiber optics are widely used in the company's data center products within the communication equipment sector [2] - The company is currently delivering air-cooled equipment to customers and is developing liquid-cooled server cabinets [2]