最新股东户数揭秘：这40股股东户数连降三期

Group 1 - The article highlights that 347 companies reported their latest shareholder numbers as of May 20, with 40 companies experiencing a continuous decline in shareholder numbers for more than three periods, indicating a trend of increasing concentration of shares [1][2] - Among the companies with declining shareholder numbers, China Construction Energy has seen a decrease for 12 consecutive periods, with a total decline of 17.39%, while Haide Control has decreased for 9 periods with a total decline of 32.93% [1][2] - The article lists companies with significant declines in shareholder numbers, including *ST Lanhua, Honghe Technology, and *ST Shengxun, with respective declines of 8.33%, 6.24%, and 5.17% [1][2] Group 2 - In terms of market performance, 17 companies with declining shareholder numbers have seen their stock prices rise, while 23 have experienced declines, with Honghe Technology, Sanlian Forging, and *ST Kaixin showing the highest increases of 29.33%, 18.98%, and 16.63% respectively [2] - The article notes that 12 companies outperformed the Shanghai Composite Index during the same period, with Honghe Technology, Sanlian Forging, and Haixiang Pharmaceutical achieving relative returns of 26.18%, 15.83%, and 14.74% respectively [2] - The sectors with the most companies experiencing declining shareholder numbers include electronics, non-ferrous metals, and machinery, with 5, 4, and 3 companies respectively [2] Group 3 - The article mentions that 12 companies with declining shareholder numbers were investigated by institutions in the past month, with the most frequently researched being China Nonferrous Metal, Sanlian Forging, and Kema Technology [2] - The number of institutions participating in research for companies with declining shareholder numbers is notably high for Jinzai Food, Weining Health, and Xinbao Co., with 69, 44, and 41 institutions respectively [2]