[Bidding to see the leader] On September 18th, the market focus stock Wanxiang Denong (9 boards in 18 days) opened 8.57% lower, the media sector Longban Media (7 boards in 14 days) opened 4.93% lower, Inner Mongolia Xinhua (2 boards) bid at the daily limit, PCB concept stock Aohong Electronics (5 boards) opened 0.49% higher, Zhongyan Dadi (2 boards) opened 1.82% higher, and the automotive sector Zotye Automobile (5 boards in 8 days) opened lower by 4.64%, Ankai Bus (2 boards in 4 days) opened higher by 1.23%, MLCC concept stock Huaca Holdings (3rd board) opened 5.53% higher, wind power sector Xihua Technology (3rd board) opened 0.94% higher, Jixin Technology (3rd board) opened lower by 5.92%, and Zhongjing Technology (3rd board) in the chip industry chain opened at the daily limit.