深海科技指数盘中涨2%，亚光科技领涨

Group 1 - The Deep Sea Technology Index rose by 2% during intraday trading on November 19 [1] - Among the constituent stocks, Yaguang Technology led with a gain of 16.97% [1] - Tianhai Defense increased by 10.22%, while Kaichuang International, Zhongshui Fishery, and Dongfang Ocean all hit the daily limit [1]