Zheng Quan Shi Bao Wang·2025-07-22 09:44Group 1 - The high-pressure oxygen chamber concept increased by 2.63%, ranking 10th among concept sectors, with five stocks rising, including a 20% limit-up for Tiedao Heavy Industry [1] - Notable gainers in the high-pressure oxygen chamber sector include Innovation Medical and Samsung Medical, which rose by 3.29% and 0.96% respectively [1] - The sector experienced a net inflow of 170 million yuan from main funds, with Tiedao Heavy Industry receiving the highest net inflow of 120 million yuan [2] Group 2 - The top stocks by net inflow ratio in the high-pressure oxygen chamber sector are Tiedao Heavy Industry at 39.19%, International Medical at 4.88%, and Samsung Medical at 4.16% [3] - The trading volume and turnover rates for key stocks in the sector indicate significant investor interest, with Tiedao Heavy Industry showing a turnover rate of 0.97% [3] - Decliners in the sector included Dahu Co., which fell by 0.55%, and Aoyang Health, which decreased by 0.50% [4]