On November 13, Hong Kong stocks opened lower and trended downward, continuing their volatile correction. By the close, the Hang Seng Index had fallen 1.55% to 23,637.60 points, the Tech Index had dropped 3.02% to 3,813.19 points, and total market turnover stood at HK$195.857 billion (compared with HK$202.652 billion the previous trading day). Most sectors declined: PCB concept stocks suffered the steepest losses, with Jingwang Electronics (03228.HK) down 13.73%, Shenghong Technology (02476.HK) down 13.46%, and Dingtai High-Tech (01377.HK) down 9.41%; the optical communication sector moved lower, with Zhongji Innolight (03308.HK) down 9.39%, Yangtze Optical Fibre and Cable (06869.HK) down 7.2%, Dongshan Precision (02384.HK) down 6.8%, and Hua Hong Semiconductor (01347.HK) down 6.1%; memory concept stocks fluctuated and declined throughout the session, with Montage Technology (06809.HK) down 6.03%, GigaDevice (03986.HK) down 6.01%, and Longsys (09976.HK) down 4.12%. Bucking the trend, hog farming concept stocks advanced, with Muyuan Foods (02714.HK) up 4.55% and COFCO Joycome (01610.HK) up 2.95%; the banking sector opened lower but moved higher, with Guangzhou Rural Commercial Bank (01551.HK) up 6.47%, Bank of Guizhou (06199.HK) up 3.68%, and Bank of Qingdao (03866.HK) up 1.92%.