[Bidding to see the leader: Sino-Singapore's one-word daily limit to advance to 4 consecutive boards] On September 15th, the market focus stock Guofang Group (7 boards in 12 days) opened 0.78% lower, the tourism sector Guilin Tourism (5 boards in 6 days) opened 6.45% higher, the power sector Mindong Electric Power (4 boards) opened 4.98% higher, the automotive industry chain Zotye Auto (4 boards in 5 days) opened 3.43% higher, and the PCB concept stock Ultrasonic Electric Zi (4 boards in 6 days) opened 1.64% higher, Zhongjing Electronics (3 boards in 6 days) opened 0.05% lower, AI application concept stock Zhongxinseike (3 boards) opened at the daily limit, and Zhenghe Ecology (2 boards) opened low 4.11%, glass substrate concept stock Triumph New Energy (3rd board) opened lower by 3.34%, pharmaceutical sector Aoyang Health (3rd board in 6 days) opened 2.39% lower, and Sanli Pharmaceutical (2nd board) bid at the daily limit.