UBTECH Robotics' stock experienced a sharp intraday decline of 6.37% on Wednesday, continuing a recent period of weakness for the humanoid robot maker.

The sell-off was driven by multiple negative factors. A controversy over the battery life of the company's premium UWORLD U1 series humanoid robot has continued to weigh on investor sentiment, with skepticism about the product's practicality for emotional companionship scenarios. Additionally, the company's H-share full circulation filing, which involves converting millions of domestic shares to tradeable H-shares, has raised concerns about potential chip supply expansion and increased selling pressure. A large block sell trade executed the previous day further intensified the bearish sentiment in the market.