During the week, Guoci Materials and Shijia Photonics received research from over a hundred institutions.

This week, a total of 63 listed companies in the A-share market received institution research visits. From the perspective of profit-making effects, over 80% of the companies surveyed achieved positive returns this week, with Shengda Resources achieving two trading limits in three days and Hongban Technology achieving two trading limits in four days. In terms of popular research subjects, Guoci Materials and Shijia Photon were surveyed by over a hundred institutions during the week, Zecen Pharmaceuticals-U was surveyed by 97 institutions, and Feilong Co. and Jiuzhou Pharmaceuticals were surveyed by 86 and 77 institutions respectively, while Baiji Shenzhou and Huayuan Holdings received visits from over 50 institutions.