Zhong Guo Zheng Quan Bao·2025-07-28 21:05Group 1 - As of July 28, 620 A-share listed companies have received institutional research, with nearly 80% of them achieving positive returns since July [1][2] - The mechanical equipment industry is the most favored, with 67 companies receiving institutional research, while the pharmaceutical and biotechnology sector follows closely with 66 companies [1][5] - New Yisheng has attracted the most attention, receiving 139 institutional research visits, focusing on its Thailand factory expansion and industry outlook for the second half of the year [1][2] Group 2 - Zhongji Xuchuang and Haopeng Technology also received significant attention, each hosting over 100 institutional research visits, with discussions on optical chip supply and advancements in battery technology for drones and AI glasses [2][3] - Nearly 200 companies have seen stock price increases of over 10% since July, with Copper Crown Copper Foil achieving a remarkable 100.48% increase [3][4] - The mechanical equipment sector has surpassed the electronics sector in institutional interest, driven by developments in humanoid robots and significant events like the 2025 World Artificial Intelligence Conference [4][5] Group 3 - The innovation drug sector has shown strength, with companies like Guangsheng Tang and Heng Rui Pharmaceutical experiencing significant stock price increases, indicating potential opportunities in AI healthcare themes [5][6] - Analysts suggest focusing on high-certainty and incremental technology opportunities in the humanoid robot sector, particularly regarding Tesla's Optimus production and domestic supply chain developments [5][6]