22股筹码连续3期集中

Core Insights - The article highlights a trend of decreasing shareholder accounts among 146 companies as of September 30, indicating a concentration of shares among fewer investors [1][2] - A total of 22 companies have seen their shareholder accounts decline for more than three consecutive periods, with some experiencing declines for up to eight periods [1] - The companies with the most significant declines in shareholder accounts include Aotexun and Hongming Co., with decreases of 27.93% and 33.45% respectively [1][2] Company Performance - Among the companies with declining shareholder accounts, three have seen their stock prices increase, while 19 have experienced declines [1] - Notable stock price increases include China Merchants Energy (up 28.35%) and Hongming Co. (up 11.42%) [1][2] - In terms of relative performance against the Shanghai Composite Index, China Merchants Energy and Hongming Co. achieved excess returns of 26.38% and 0.12% respectively [1][2] Industry Analysis - The industries with the highest concentration of companies experiencing declining shareholder accounts include machinery, computers, and defense [2] - The distribution of companies with declining shareholder accounts is evenly split between the main board and the growth enterprise market, with 11 companies in each [2]