On the morning of October 13, the two key indices of the Hong Kong stock market opened on a lower note and exhibited volatility throughout the session, though there was some signs of recovery. By the midday break, the Hang Seng Index had declined by 0.39%, while the Hang Seng Tech Index tumbled by 1.54%. Within the port transportation sector, COSCO Shipping Energy Transportation saw its shares surge by over 2%. Meanwhile, among gold stocks, Tongguan Gold experienced a gain exceeding 3%. Furthermore, sectors including nuclear power, mainland property, education, oil, logistics, and coal demonstrated robust activity during the morning trading.

Conversely, the chip sector faced a downturn, with Hua Hong Semiconductor plummeting more than 5%, Montage Technology dropping over 4%, and GigaDevice declining by more than 3%. Biopharmaceutical stocks also retreated, with WuXi Biologics falling over 4%. Additionally, sectors such as lithium batteries, optical communications, PCBs, electrical equipment, and AI applications also witnessed declines.