Group 1 - In December, nearly 500 companies have been surveyed by institutional investors, with a strong focus on the technology sector [1][12] - A total of 471 companies in the A-share market have been publicly surveyed by institutional investors since December, with 23 companies receiving over 50 institutional visits and 9 companies over 100 [2][13] - Among the most frequently surveyed companies, Zhongke Shuguang and Haiguang Information attracted the highest attention, with 365 institutions participating in their surveys [3][14] Group 2 - Zhongke Shuguang launched the scaleX Wanka Super Group at the 2025 Photonic Organization AI Innovation Technology Conference, focusing on trillion-parameter large models and scientific intelligence scenarios [4][15] - Jie Rui shares have made significant breakthroughs in the North American market, signing a sales contract for generator sets worth over 100 million USD, marking a key business breakthrough in the high-end power market [4][15] - Companies like Boying Welding and Ice Wheel Environment have organized over 10 survey activities each this month, indicating high interest in gas turbine concepts [5][16] Group 3 - Several companies that received institutional attention have seen significant stock price increases, with Hualing Cable experiencing an 83.61% increase in December [6][17] - Shaanxi Huada's stock surge is linked to its plan to acquire 100% of Huajing Microelectronics, entering the lucrative optical module market [8][18] - High-profile institutions, such as Gao Yi Asset, have conducted surveys on 11 companies this month, including Boying Welding and Jie Rui shares [9][19] Group 4 - The survey of Jie Rui shares revealed the company's commitment to continue deepening its presence in data centers, industrial energy, and new power systems [10][20] - The company has expanded its production capacity in the U.S. to meet the demand for gas turbine generator equipment in North America [10][20] - A focus on humanoid robots and AI vision technology was highlighted during the survey of Aobi Zhongguang, showcasing its competitive edge in the robotics sector [11][21]