The CPO concept continued to rebound in mid-trading, with both cig shanghai and sichuan huiyuan optical communications hitting the limit up, and stocks such as decker, zhongji innolight, liantec technology, and yuanjie technology rising by more than 4%. On the news front, from September 11th to 13th, the grand event of the optical module industry—The 25th China International Optoelectronic Exposition will open at the shenzhen int'l convention and exhibition center (baoan). It is worth noting that, at this exhibition, many manufacturers such as zhongji innolight, huagong zhengyuan, and accelink technologies will showcase 1.6T optical module related products.