Robot concept stocks swing lower; Unitree drops over 10%, several hit limit-down

The breadth of the selloff matters more than any single name: limit-down moves in Daye, Zhengyu and Tianqi alongside double-digit declines in Unitree point to a sector-wide de-risking rather than company-specific news, since none is cited here. This affects the cluster of Chinese robot-themed listings that have traded as a thematic block, where correlation tends to run high in both directions. Whether the pullback stays contained to concept-linked names or spills into the broader machinery complex is the open question worth watching.