The A-share PCB sector rebounded after fluctuations, with Ultrasonic Electronics hitting the daily limit, Aohong Electronics rising over 9%, and other stocks such as Xunjiexing, Benchuan Intelligent, Aoshikang, and Yidun Electronics following suit. Ultrasonic Electronics recently announced that it expects its Q3 net profit to increase by 181%-206% quarter-on-quarter, due to sufficient orders and rising prices for its copper clad laminate products.