The A-share optical and optoelectronic sector rose, with Crystal Optoelectronics and Lante Optics hitting new intraday highs. Guangzhi Technology, Rainbow Optoelectronics, and Wufang Optoelectronics all hit their daily limit, while Gobija, Woge Optoelectronics, Yongxin Optics, Meditech, and Helitai followed suit.