PCB概念局部回暖 东材科技涨停

Core Viewpoint - The PCB sector is experiencing a partial recovery, with significant gains in electronic cloth and copper foil, driven by increasing short-distance data transmission requirements and subsequent upgrades in the industry chain [1] Group 1: Market Performance - PCB concept stocks showed a rebound in the afternoon, with notable performances from Dongcai Technology, which hit the daily limit, and Filihua, which rose over 10% [1] - Other companies such as Defu Technology, Shenzhen South Circuit, Huazheng New Materials, and Dazhu CNC also saw increases [1] Group 2: Industry Trends - According to a report from CITIC Construction Investment, the continuous upgrade of PCBs is leading to an upgrade in the upstream supply chain [1] - The transition from M6/M7 to M8/M9 in copper-clad laminates is expected to enhance the domestic market share of high-end resins, fiberglass cloth, and copper foil [1]