光纤概念持续走强，腾景科技盘中创新高

Group 1 - The optical fiber sector is experiencing a strong upward trend, with multiple companies reaching new highs and significant price increases [1] - Tengjing Technology hit a new high during the trading session, while TeFa Information achieved three consecutive trading limit increases [1] - Changfei Optical Fiber and Fuzhijing Technology reached the daily limit, and Changxin Bochuang saw an increase of over 15% [1] Group 2 - Companies such as Kexin Technology, Yunzuka Technology, Guangku Technology, and Juguang Technology all experienced price increases of over 10% [1] - Other companies including Changguang Huaxin, Shijia Photon, Taicheng Light, Yongding Co., Changjiang Communication also showed positive price movements [1]