Zheng Quan Shi Bao Wang·2025-09-02 09:09Group 1 - The PEEK materials concept increased by 0.80%, ranking second in the concept sector, with 21 stocks rising, including Huami New Materials, Weike Technology, and Shuangyi Technology, which rose by 9.83%, 8.72%, and 8.45% respectively [1][2] - The concept sector saw a net outflow of 1.11 billion yuan, with 13 stocks experiencing net inflows, and 7 stocks receiving over 30 million yuan in net inflows, led by Shuangyi Technology with a net inflow of 90.83 million yuan [2][3] - The top three stocks by net inflow ratio were Meihua Medical, Shuangyi Technology, and Weike Technology, with net inflow ratios of 8.22%, 7.51%, and 7.43% respectively [3] Group 2 - The PEEK materials concept was among the top gainers, while other concepts like F5G and WiFi 6 experienced declines of -5.20% and -5.15% respectively [2] - The stocks with the largest declines included China Jushi, Shengbang Co., and Huitong Co., which fell by 7.48%, 5.14%, and 3.52% respectively [1][5] - The trading volume and turnover rates for leading stocks in the PEEK materials concept were significant, with Shuangyi Technology having a turnover rate of 28.81% and Weike Technology at 13.01% [3][4]