Zheng Quan Shi Bao Wang·2025-07-21 09:43Group 1 - The high-pressure oxygen chamber concept increased by 3.78%, ranking 8th among concept sectors, with 8 stocks rising, including a 20% limit up for Tiebian Heavy Industry [1] - The leading stocks in the high-pressure oxygen chamber sector included Weiao Co., International Medicine, and Dahu Co., which rose by 3.80%, 3.24%, and 2.44% respectively [1] - The high-pressure oxygen chamber sector saw a net inflow of 152 million yuan from main funds, with 6 stocks receiving net inflows, and 5 stocks exceeding 10 million yuan in net inflow [2] Group 2 - The top net inflow stock was Tiebian Heavy Industry, with a net inflow of 60.89 million yuan, followed by International Medicine, Samsung Medical, and Aoyang Health with net inflows of 57.53 million yuan, 42.20 million yuan, and 22.89 million yuan respectively [2] - In terms of net inflow ratios, Aoyang Health, Tiebian Heavy Industry, and International Medicine had the highest ratios at 15.77%, 14.47%, and 11.68% respectively [3] - The trading performance of stocks in the high-pressure oxygen chamber sector showed significant activity, with Tiebian Heavy Industry achieving a daily increase of 19.90% and a turnover rate of 1.60% [3]