The Zhitong Finance App learned that PCB concept stocks had the highest decline. As of press release, Dingtai Hi-Tech (01377.HK) fell 20.77% to HK$200.60; Guanghe Technology (01989.HK) fell 11.04% to HK$102.30; Shenghong Technology (02476.HK) fell 8.62% to HK$177.10; and Jiantao Group (00148.HK) fell 5.72% to HK$54.40.

The Zhitong Finance App learned that PCB concept stocks had the highest decline. As of press release, Dingtai Hi-Tech (01377.HK) fell 20.77% to HK$200.60; Guanghe Technology (01989.HK) fell 11.04% to HK$102.30; Shenghong Technology (02476.HK) fell 8.62% to HK$177.10; and Jiantao Group (00148.HK) fell 5.72% to HK$54.40.