印制电路板板块震荡走强，深南电路涨停

Group 1 - The printed circuit board (PCB) sector is experiencing a strong upward trend, with ShenNan Circuit reaching a trading limit and hitting a historical high [1] - Other companies in the PCB sector, including Shenghong Technology, Huadian Co., Pengding Holdings, Shiyun Circuit, Founder Technology, and Wanyuantong, are also seeing gains [1]