主力吸筹，16家公司股东人数连续下降

Market Overview - The market experienced fluctuations today, with over 1,700 stocks rising [1] - The hydropower concept led the gains, with companies like Iron Construction Heavy Industry and Deep Water Regulation Institute hitting the 20% limit up [1] - Other concepts such as hyperbaric oxygen chambers, cell immunotherapy, CPO, and weight loss drugs also saw significant increases [1] Declining Concepts - Concepts such as military equipment restructuring, China Shipbuilding Industry Group, Hainan Free Trade Zone, and Chengfei concepts were among the biggest decliners [2] Shareholder Information - A total of 94 stocks reported their latest shareholder numbers as of July 20, with 16 stocks showing a continuous decline in shareholder numbers for three or more periods [3] - Notably, Guoyuan Securities and Zhongyuan Media have seen their shareholder numbers decrease for 12 and 9 consecutive periods, respectively [4] - The latest shareholder numbers for Guoyuan Securities stand at 93,749, while Zhongyuan Media has 17,042 [4] Industry Concentration - Industries with concentrated shareholder declines include machinery equipment, non-bank financials, and basic chemicals, with 3, 2, and 2 stocks respectively [4] - Stocks with significant declines in shareholder numbers include Yiyi Co., Double Elephant, and AVIC High-Tech, with declines of 9.33%, 7.38%, and 6.66% respectively [4] Stock Performance - Among the stocks with declining shareholder numbers, 14 have seen their prices rise, while 2 have fallen, with notable increases in stocks like Xiyu Co., Haixia Co., and Jiangsu Shentong [4] - A total of 38 stocks have net purchases of leveraged funds exceeding 100 million yuan [5] Financing Activity - As of July 22, the total market financing balance reached 1.93 trillion yuan, an increase of 15.355 billion yuan from the previous trading day [6] - On July 22, 1,944 stocks received net financing purchases, with 615 stocks having net purchases exceeding 10 million yuan [6] - Shenghong Technology topped the list with a net purchase of 526 million yuan, followed by Sany Heavy Industry and TBEA with 431 million yuan and 357 million yuan respectively [6][7]