

Group 1 - The article highlights a trend of decreasing shareholder accounts among 658 companies, with 97 companies experiencing a decline for more than three consecutive periods, indicating a concentration of shares [1][2] - Notable companies with significant declines in shareholder accounts include Unisoc Microelectronics, which has seen a 27.88% drop over 13 periods, and ZTE Corporation, with a 16.17% decrease over 12 periods [1][2] - The article mentions that among the companies with decreasing shareholder accounts, 64 have seen their stock prices rise, while 33 have experienced declines, with notable gainers including Yidong Electronics, ZTE Corporation, and Chuangyitong, which have increased by 82.55%, 46.31%, and 45.50% respectively [2] Group 2 - In terms of industry distribution, the companies with decreasing shareholder accounts are primarily concentrated in the basic chemicals, machinery equipment, and electronics sectors, with 14, 11, and 8 companies respectively [2] - The main board has 62 companies with decreasing shareholder accounts, while the ChiNext board has 33, and the Sci-Tech Innovation board has 2 [2] - Among the companies that have reported their semi-annual results, Fujilai has the highest year-on-year net profit growth of 12430.96%, while Nanshan Holdings is expected to have a net profit median of 92 million, reflecting a year-on-year increase of 177.84% [3]