光通信概念股震荡拉升，致尚科技涨超12%

Group 1 - The optical communication concept stocks experienced a significant rally on December 30, with notable increases in share prices [1] - Zhishang Technology saw a rise of over 12%, while Changyingtong and Cambridge Technology both increased by more than 5% [1] - Other companies such as Taichengguang, Yuanjie Technology, and Zhongji Xuchuang also showed positive movement in their stock prices [1]