[Hong Kong’s Hang Seng Index closed up 1.67% PCB, optical communications sectors surged] On November 4th, Hong Kong’s Hang Seng Index closed up 1.67%, and the Hang Seng Technology Index rose 1.77%. The PCB and optical communications sectors surged. Haiguangxin rose by more than 26%, Xinqi Micro Devices rose by more than 18%, Guanghe Technology rose by more than 15%, and Zhongji Innolight rose by more than 7%. The chip and semiconductor sectors led the gains, with Huahong Grace rising by more than 15%, Biren Technology and Tianshu Intelligent Core rising by nearly 12%, and SMIC International rose nearly 9%; the gold sector rose, Chifeng Gold rose more than 18%, Lingbao Gold rose more than 17%, and Zijin Gold International rose more than 14%; the biomedical sector rose, Zhaoyan New Drug rose more than 15%, WuXi AppTec and WuXi Biologics rose more than 12%, and BeiGene rose more than 10%.