Hong Kong PCB-related stocks retreated: Shenghong Technology (02476.HK) fell
more than 10%, Xinqi Weizhuang (09630.HK) dropped over 6%, Dazhu Numerical
Control (03200.HK) declined about 3%, Dingtai High‑Tech (01377.HK) fell over 2%,
and China National Building Material (03323.HK) slipped just over 1%.