PCB概念震荡走高 景旺电子等涨停

Group 1 - The PCB concept is experiencing a significant upward trend, with multiple companies seeing their stock prices surge [1] - Companies such as Jingwang Electronics and Dongcai Technology have reached the daily limit increase in stock prices [1] - Other companies like Helitai, Honghe Technology, and Dawi Shares also previously hit the daily limit, indicating strong market interest [1] Group 2 - Additional companies such as Aisen Shares, Shengyi Electronics, Chujian New Materials, Oat Technology, and Founder Technology have also seen notable stock price increases [1]