Zheng Quan Shi Bao Wang·2025-12-30 08:45Group 1 - The PEEK materials concept rose by 1.82%, ranking third among concept sectors, with 21 stocks increasing in value, led by Hengbo Co., Changying Precision, and Xinhang New Materials, which rose by 11.95%, 9.49%, and 8.62% respectively [1] - The PEEK materials sector saw a net inflow of 163 million yuan from main funds, with 19 stocks receiving net inflows, and 7 stocks attracting over 50 million yuan, with Changying Precision leading at a net inflow of 240 million yuan [2] - The top stocks in terms of net inflow ratio included Hengbo Co., Meihua Medical, and Jusa Long, with net inflow ratios of 11.57%, 11.02%, and 8.51% respectively [3] Group 2 - The top gainers in the PEEK materials sector included Changying Precision with a 9.49% increase and a turnover rate of 13.39%, followed by Shuanglin Co. and Longsheng Technology with increases of 4.38% and 4.71% respectively [3][4] - The stocks with the largest declines included Chaojie Co. with a decrease of 7.97%, followed by Kaisheng New Materials and CGN Technology with declines of 3.52% and 2.08% respectively [5]