China A-share optical and optoelectronics sector led gains. Hanbo Hi‑Tech
climbed over 16%; Lianjian Optoelectronics and Liande Equipment earlier hit
limit-up; TCL Technology and Aoto Electronics reached limit-up; BOE Technology A
briefly touched the limit and hit a record high; Han's Laser, Tongxingda and
Fuguang each rose more than 8%.