Shares of robotics-related companies saw a notable pullback in Hong Kong trading on Tuesday, with several key players posting steep losses amid a market-wide correction in the sector.

As of the latest update, Estun Automation Co.,Ltd. (02715) tumbled 10.14% to HK$18.60, while DOBOT (02432) dropped 8.98% to HK$25.34. Other notable decliners included ZHAOWEI (02692), which fell 8.34% to HK$43.50, and SANHUA (02050), which slipped 5.71% to HK$26.76.

Where the pressure is coming from

The selloff comes on the heels of Unitree Technology's official debut on the STAR Market on August 19. The robotics firm surged an eye-popping 629.44% at the open, trading at RMB 1,100 per share. Based on that opening price, investors holding one lot would have pocketed roughly RMB 474,600 in paper gains—making it the most profitable new listing on Shanghai and Shenzhen exchanges since the full implementation of the registration-based IPO system. That performance even surpassed the previous day's debut of Pinzhuo Laser.

Market observers had earlier cautioned that a mega-cap tech IPO like Unitree could siphon substantial institutional capital away from existing robotics names as fund managers rebalance their portfolios into the new listing, intensifying divergence within the sector. Over the medium to long term, however, Unitree's A-share listing signals a pivotal shift: the technology weighting in China's capital markets is transitioning from mobile internet to embodied intelligence. This evolution is expected to attract more sustained, long-term capital into the humanoid robotics track, potentially reshaping the sector's investment landscape.