[Hong Kong Stock Market Close: Hang Seng Index up 1.34%, Hang Seng Tech Index up 1.58%, Optical Communication and Chip Stocks Strengthen] Deep Tide TechFlow reports, on August 17, the Hong Kong stock market closed with the Hang Seng Index up 1.34% and the Hang Seng Tech Index up 1.58%. Optical communication and chip stocks strengthened, with Yangtze Optical Fibre and Cable (06869.HK) up 12%, Zhongji Innolight (03308.HK) up 8.2%, and Hua Hong Semiconductor (01347.HK) up 7.45%. (Jin10)