As of press time, the Printed Circuit Board sector performed strongly, with Tianjin Prin , Founder Technology, and Guanghe Technology hitting the daily limit. Shenghong Technology, Nanya New Materials, and Shengyi Electronics saw gains of over 10%. Stocks such as Yihao New Materials, Jin'an Guoji, Yibo Technology, Hongxin Electronics, and Ultrasonic Electronics also showed an upward trend.