PCB概念涨3.86%，主力资金净流入80股

Group 1 - The PCB concept sector rose by 3.86%, ranking third among concept sectors, with 126 stocks increasing in value [1] - Notable stocks that hit the 20% limit up include International Composite Materials, Yihau New Materials, and Yidong Electronics, while stocks like Gonguan Copper Foil and Zhecheng Electronics saw significant gains of 12.91%, 9.63%, and 8.99% respectively [1] - The sector experienced a net inflow of 4.322 billion yuan from main funds, with 80 stocks receiving net inflows, and 17 stocks exceeding 100 million yuan in net inflows [2] Group 2 - The top net inflow stock was Pengding Holdings, with a net inflow of 587 million yuan, followed by Huadian Co., International Composite Materials, and Shenghong Technology, which saw net inflows of 393 million yuan, 324 million yuan, and 324 million yuan respectively [2] - In terms of net inflow ratios, Hongchang Electronics, Baoding Technology, and Bomin Electronics led with net inflow ratios of 37.12%, 34.03%, and 30.55% respectively [3] - The trading volume and turnover rates for notable stocks included Pengding Holdings at 5.05% increase with a turnover rate of 3.44%, and International Composite Materials at a 20% increase with a turnover rate of 19.22% [3]