PCB概念股震荡走高 奥士康涨停

Group 1 - The PCB concept stocks experienced a significant upward trend, with notable gains in several companies [1] - Aoshikang reached the daily limit increase, while Chipbond saw an increase of over 12% [1] - Other companies such as Kexiang, Guanghe Technology, Shennan Circuit, and Huidian also reported substantial gains [1]