Group 1 - The majority of A-share mergers and acquisitions concepts opened higher, indicating positive market sentiment [1] - Guangzhi Technology reached a 20% limit up, reflecting strong investor interest [1] - Runong Irrigation rose by 11%, showcasing significant upward movement in its stock price [1] - Other stocks such as Jinlihua Electric and Tianqimo also opened higher, contributing to the overall positive trend in the sector [1]