知名机构近一周（1.12-1.8）调研名单：机构扎堆这只数据标注龙头

Group 1 - A total of 23 companies received attention from well-known institutions in the past week, with notable mentions in the mechanical, beverage, and electronics sectors [1] - Specific companies highlighted include SF Holding, Chang'an Automobile, and various food-related firms such as Sanquan Foods and Zhongjing Foods [2][3] - Investment firms such as Gao Yi Asset, Starstone Investment, and others have shown interest in companies like Haitan Ruisheng and Haian Group [3][4]