Chinese Robot Stocks Climb After Unitree Teases a Mechanical Dog

Chinese robotics shares charted new highs after up-and-coming startup Unitree released a video of a mechanical dog scaling slopes, spinning on one leg and navigating rocky terrain.

The Solactive China Humanoid Robotics Index, which includes companies engaged in the manufacturing and development of robots, rose as much as 5% Wednesday. Zhejiang Changsheng Sliding Bearings Co.’s shares jumped as much as 16% while Ningbo Zhongda Leader Intelligent Transmission Co. stock rose by its 10% daily limit.

The rally reflects in part the euphoria around China’s prowess in an emergent field in which no clear leader has emerged, and where ...