B · Normal
[PCB concept fluctuated and weakened, Huazheng New Materials fell to the limit] On October 26th, the PCB concept fluctuated and weakened in early trading, Huazheng New Materials fell to the limit, Aohong Electronics hit the limit, Ultrasonic Electronics, Jinan Guoji, Oscon, Dingtai High-tech and other stocks fell more than 5%.
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