The decline widened after the Hong Kong stock optical communications and PCB concept surged back. As of press release, Shenghong Technology fell 7.55%, Changfei Optical Fiber Cable fell 5.94%, Jiantao Laminated Board fell 5.69%, and Cambridge Technology fell about 3%.

Zhitongcaijing · 2d ago
The decline widened after the Hong Kong stock optical communications and PCB concept surged back. As of press release, Shenghong Technology fell 7.55%, Changfei Optical Fiber Cable fell 5.94%, Jiantao Laminated Board fell 5.69%, and Cambridge Technology fell about 3%.