
Group 1 - 16 companies listed on the ChiNext board reported their latest shareholder numbers as of May 10, with 6 companies experiencing a decrease in shareholder count compared to the previous period [1] - The company with the largest decrease in shareholder count is Naipu Mining, which saw a decline of 5.40% to 13,274 shareholders, while its stock price increased by 7.28% during the same period [1][2] - Other companies with notable decreases include Zhongjian Technology, down 1.20% to 34,740 shareholders, and Guotou Intelligent, down 0.86% to 47,982 shareholders, with respective stock price increases of 1.27% and 1.28% [1][2] Group 2 - Three companies have shown a continuous decline in shareholder numbers for more than three consecutive periods, with Guotou Intelligent experiencing a total decrease of 8.35% over seven periods, Naipu Mining down 11.63% over five periods, and Xibu Muye down 7.12% over three periods [2] - The average stock price increase for concentrated shareholding companies since May 1 is 3.81%, with Naipu Mining, Baisheng Intelligent, and Xibu Muye leading the gains at 7.28%, 5.11%, and 4.91% respectively [2] - In terms of industry concentration, the machinery equipment sector has the highest representation among concentrated shareholding stocks, with two companies listed [2]