[Bidding to see the leader] On September 30, the market focus stock Xinhua Media (6 boards) bid at the daily limit, PCB concept stocks Aohong Electronics (8 boards in 12 days) opened flat, Eton Electronics (2 boards in 4 days) opened higher by 3.88%, AI application concept stocks Zhongxinseike (7 boards in 13 days) opened lower by 1.89%, Nanwei Software (4 boards in 6 days) opened higher by 2.67%, the media board Xinhua Wenxuan (6 boards in 7 days) opened lower by 1.82%, Huamei Holdings (3 boards in 6 days) opened lower by 2.42%, robot concept stock Xuelong Group (4 boards) opened higher by 0.05%, Xiangyang Bearing (3 boards) opened lower by 8.79%, dye sector Shanshui Technology (GEM 2 boards) opened higher by 10.89%, and lithium battery sector Era Wanheng (2 boards) opened at the daily limit.