Hong Kong-listed optical communication stocks weakened amid volatility, with Robotec (03757.HK) falling more than 6%, Hygon Semiconductor (01191.HK) and Cambridge Technology (06166.HK) falling more than 5%, and InnoLight Technology (03308.HK) and Hua

2026-11-03

Hong Kong-listed optical communication stocks weakened amid volatility, with Robotec (03757.HK) falling more than 6%, Hygon Semiconductor (01191.HK) and Cambridge Technology (06166.HK) falling more than 5%, and InnoLight Technology (03308.HK) and Huahong Grace Semiconductor (01347.HK) following suit.