Ge Long Hui A P P·2026-02-26 05:26Group 1 - The PCB concept stocks in the A-share market have collectively strengthened, with notable gains from several companies [1] - Tongyu New Materials saw an increase of over 17%, while Mingyang Circuit rose by over 16% [1] - Other companies such as Wanyuantong, Weiergao, and Dazhu Laser also experienced significant gains, with increases of over 10% [1] Group 2 - Detailed stock performance includes: - Tongyu New Materials: 17.25% increase, market cap of 8.92 billion [2] - Mingyang Circuit: 16.31% increase, market cap of 12.7 billion [2] - Wanyuantong: 11.29% increase, market cap of 5.607 billion [2] - Weiergao: 10.14% increase, market cap of 9.287 billion [2] - Dazhu Laser: 10% increase, market cap of 71.8 billion [2] - Other companies like Guanghe Technology, Shennan Circuit, and Huhua Electric also reported 10% increases [2]