机构调研周跟踪：机构关注度环比回升：银行、通信、食品饮料

Group 1: Industry Perspective on Institutional Research - The research indicates an increase in institutional research activity for the banking, telecommunications, and food and beverage sectors [1][3][11] - Weekly data shows a decline in total research instances across the A-share market, with a total of 488 instances last week, lower than the 757 instances in the same week of 2024 [12][20] - Monthly data for November shows a total of 2780 research instances, which is below the 3286 instances recorded in November 2024 [20][22] Group 2: Individual Stock Perspective on Institutional Research - Companies such as Weisheng Information, Haixia Co., and Wanma Technology received significant market attention, with multiple research instances noted [26][30] - Da Yi Long has been frequently researched, with three instances last week, highlighting its rapid overseas business growth in the Southeast Asian beverage market [28][29] - The recent month saw high research activity for companies like Huichuan Technology and Ice Wheel Environment, indicating strong market interest [30][31]