Xin Lang Cai Jing·2025-12-21 00:02Summary of Key Points Core Viewpoint - This week, 165 listed companies disclosed institutional research records, with about half of the companies experiencing positive returns, indicating a mixed performance in the market. Group 1: Institutional Research and Stock Performance - The highest performing stock from institutional research this week was Zhenyou Technology, which increased by 21.89%, while nine other companies, including Aerospace Intelligence and Hongmian Co., saw gains exceeding 10% [1][8]. - Popular stocks this week included Changan Automobile, Yipin Hong, and Boying Special Welding, with Changan receiving the most institutional investors, totaling 214 [1][10]. Group 2: Changan Automobile's L3 Approval - Changan Automobile received approval for the first batch of L3 conditional autonomous driving vehicle licenses from the Ministry of Industry and Information Technology on December 15, allowing its model, Deep Blue SL03, to conduct road trials in designated areas [10][11]. - The company began its L3 autonomous driving capability research in 2017, with applications starting in 2021, and plans to conduct pilot applications in the first quarter of 2026 [11][13]. Group 3: Boying Special Welding's Technology and Operations - Boying Special Welding hosted four institutional research sessions this week, focusing on its core technology in anti-corrosion and wear-resistant welding equipment, which is widely used in various industrial sectors [5][14]. - The company has developed digital pulse MIG high-frequency oscillation welding technology, which is suitable for high-temperature and corrosive environments, and operates a production line in Vietnam for heat recovery steam generators (HRSG) [6][15]. Group 4: Yipin Hong's Share Sale - Yipin Hong announced plans to sell its stake in Arthrosi, retaining 100% rights to the AR882 drug pipeline in China and priority for global production supply rights [7][16]. - The transaction is expected to be completed in the first quarter of 2026, following U.S. antitrust filings, and the company has significant production facilities to support the supply of AR882 [16].