PCB concept stocks witnessed a remarkable surge today, with a flurry of stocks hitting their daily upper limits. Hongshida soared by over 23%, while stocks such as Benchuan Intelligent and others also reached their daily limits. Shengyi Technology, along with several other stocks, experienced increases exceeding 5%. According to reports, the PCB industry is currently undergoing a significant wave of production expansion, with 13 A-Share listed PCB manufacturing companies announcing their expansion plans this year, involving a cumulative planned investment approaching 59 billion yuan. Leading manufacturers are predominantly channeling their funds into high-end production capabilities. Experts highlight that this current cycle is reaping the benefits of new demand spurred by the explosive growth in AI computing power. As the foundational substrate for electronic products, printed circuit boards (PCBs) offer essential support and electrical connections for electronic components, rendering them an indispensable component for electronic devices.