The optical communications sector continues to strengthen, and only many constituent stocks are up more than 10%.

FAP, June 19 (FAP)-- the optical communications sector continued to expand its gains in the afternoon, and Fuxin Technology hit the daily limit. Prior to the limit, Huaxi shares, Gongjin shares, Optical Xun Technology, and China porcelain Electronics rose by the daily limit. In addition, many stocks, including Yuanjie Technology, South Asia New Materials, Tianfu Communications, and United Technology, rose more than 10 percent.