Sou Hu Cai Jing·2025-09-22 10:08Group 1 - The high-pressure oxygen chamber concept declined by 1.90% as of the market close on September 22, ranking among the top declines in concept sectors, with companies like Hangzhou Oxygen, Innovative Medical, and China Railway Construction showing significant drops [1] - The high-pressure oxygen chamber sector experienced a net outflow of 238 million yuan from main funds today, with seven stocks seeing net outflows, and five stocks exceeding 10 million yuan in outflows. Innovative Medical led with a net outflow of 126 million yuan, followed by China Railway Construction and Hangzhou Oxygen [2] - The top stocks with net outflows in the high-pressure oxygen chamber sector included Innovative Medical (-4.18%), China Railway Construction (-2.36%), and Hangzhou Oxygen (-4.56%), with respective main fund outflows of 126.14 million yuan, 53.78 million yuan, and 21.64 million yuan [2] Group 2 - The concept sectors with the highest gains today included Tonghuashun Fruit Index (+5.17%), AI Mobile Phones (+4.06%), and Smart Speakers (+3.43%), while the high-pressure oxygen chamber sector was among the top decliners [2] - The main fund inflows were observed in stocks like Jinling Pharmaceutical, Weiao Co., and Dahu Co., with inflows of 2.58 million yuan, 1.16 million yuan, and 0.95 million yuan respectively [2]