Xinhua News Agency, June 16. Market focus stock Rongsheng Development (board 5) opened 5.82% higher, optical communications plate Yueling shares (5 days 4 boards) opened 5.56% lower, Huaxi shares (4 days 3 boards) opened lower limit, Guangxun Technology (2 boards) opened 0.94% lower, smart grid concept stocks Shangwei shares (3 boards) opened 1.85% higher than Royal Bank shares (4 days 3 boards), Royal Bank shares (4 days 3 boards) opened 2.69% lower. In robot concept stocks, Dali (2 board) rose by the limit, Kone Technology (gem) opened 19.50% higher, Jiangsu Riley (gem board) opened 7.00% higher, Selis (4 days and 2 boards) of the automobile industry chain opened 1.99% higher, and Xintian Technology (gem board) opened 3.18% lower.