Zheng Quan Shi Bao Wang·2025-12-22 08:40Core Insights - The article highlights a trend of decreasing shareholder accounts among 175 companies, indicating a concentration of shares, with 46 companies experiencing a decline for more than three consecutive periods [1][2]. Group 1: Shareholder Account Trends - 46 companies have seen their shareholder accounts decrease for more than three consecutive periods, with the most significant decline being 12 periods for Yihau New Materials, which has a current account of 14,402, reflecting a cumulative decrease of 37.94% [1]. - Zhongshe Co. has experienced a decline for six periods, with a current account of 18,021 and a cumulative decrease of 15.62% [1]. - Other companies with notable declines include Fujilai, George White, and New Agricultural Development [1]. Group 2: Market Performance - Among the companies with decreasing shareholder accounts, 11 have seen their stock prices rise, while 34 have experienced declines, with notable increases for Shibai Testing (up 65.13%), Guojijingong (up 55.85%), and Changshan Pharmaceutical (up 20.59%) [2]. - 12 companies have outperformed the Shanghai Composite Index, with Shibai Testing, Guojijingong, and Changshan Pharmaceutical showing relative returns of 66.08%, 58.36%, and 23.11%, respectively [2]. Group 3: Industry and Institutional Activity - The industries with the highest concentration of companies experiencing declining shareholder accounts include basic chemicals (10 companies), machinery (6 companies), and pharmaceutical biology (4 companies) [2]. - In terms of institutional interest, 7 companies with decreasing shareholder accounts were surveyed by institutions in the past month, with Guojijingong and Baowu Magnesium receiving the most attention, being surveyed 6 and 3 times, respectively [2].