【PCB概念震荡反弹，卓郎智能等多股涨停】PCB概念震荡反弹，卓郎智能、东材科技涨停，西陇科学、澳弘电子、中岩大地、威尔高此前涨停，瑞丰高材、金禄电子涨超10%，万源通、奥士康、金百泽、凌玮科技等跟涨。
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