Yangtze Optical Fibre And Cable is trading at HK$160.00, down 4.93%, amid pressure on Hong Kong technology shares. - The reported October 12 move follows a prior close of HK$168.30 on October 9. - Available market coverage says investors weighed higher oil prices and elevated US yields amid pressure on Hong Kong technology shares. - No company-specific announcement explaining the decline was identified; a direct company catalyst remains unconfirmed.