Sou Hu Cai Jing·2025-08-22 08:54Group 1 - The high-pressure oxygen chamber concept sector experienced a decline of 0.76%, ranking among the top declines in concept sectors as of the market close on August 22 [1] - Within the sector, major declines were observed in companies such as Samsung Medical, Aoyang Health, and Dahu Co., with notable increases in Hangyang Co., Yinkang Life, and International Medicine, which rose by 0.97%, 0.86%, and 0.37% respectively [1] Group 2 - The high-pressure oxygen chamber concept sector saw a net outflow of 260 million yuan in principal funds today, with six stocks experiencing net outflows [2] - The stock with the highest net outflow was Tiedao Heavy Industry, which had a net outflow of 143 million yuan, followed by Innovative Medical, Samsung Medical, and Aoyang Health with net outflows of 60.83 million yuan, 43.65 million yuan, and 13.12 million yuan respectively [2] - Conversely, the stocks with the highest net inflows included International Medicine, Jinling Pharmaceutical, and Yinkang Life, with net inflows of 3.35 million yuan, 3.27 million yuan, and 3.20 million yuan respectively [2]