[Hong Kong-listed optical communication sector weakens amid volatility; InnoLight Technology falls nearly 5%] According to TechFlow, on November 3rd, Hong Kong-listed optical communication stocks weakened amid volatility. Robotec (03757.HK) fell over 6%, Hygon Semiconductor (01191.HK) and Cambridge Technology (06166.HK) fell over 5%, and InnoLight Technology (03308.HK) and Huahong Grace Semiconductor (01347.HK) followed suit. (Golden Ten)