Fiber optic concept stocks were active at the beginning of the trading session, with Tongguang Cable surging more than 10%.

Fiber optic concept stocks were active at the beginning of trading, with New Energy Tianshan hitting the daily limit up, Tongguang Cable rising over 10%, Tongding Internet, Kaiwang Technology, Changfei Fiber Optics, Hentong Optoelectronics, and Tengjing Technology following the upward trend.