Group 1 - The lithium battery index experienced a significant increase, rising over 4% during intraday trading [1] - Component stocks showed active performance, with Tianhong Lithium hitting the daily limit, and Hangke Technology rising by 15.26% [1] - Other notable stock performances included Zhongwei Co. increasing by 11.61%, Derui Lithium rising by 10.76%, and Tianji Co. also hitting the daily limit [1]