China A-share CPO concept continued to rally intraday. Saiwei Electronics hit a
20cm limit-up; Qingshan Paper earlier posted a third consecutive daily limit.
Changxin Bochuang and Juguang Technology rose more than 10%; Hengdong Optics,
Taichen Photonics, Tianfu Communications, Shijia Photonics and Guangxun
Technology advanced over 5%.