Robot concept stocks surged again, with Jinggong Technology hitting the limit up.

Precision technology and Aucma hit the daily limit up, Daye Group and Silin shares rose more than 10%, Fengguang Precision, Chaojie shares, Zhejiang Rongtai, Qinchuan Machine Tool, Hanxin Technology, Southern Precision, Fuda shares and other stocks rose more than 5%.