Hong Kong-listed PCB concept stocks continued their upward trend, with Kingboard Laminates (01888.HK) surging over 16.5%, Kingboard Holdings (00148.HK) rising over 11%, Guanghe Technology (01989.HK) and Shenghong Technology (02476.HK) both rising over 6%, and Han's CNC (03200.HK) gaining 5.5%.