Group 1 - The core point of the article is that the founder and CEO of UBTECH, Zhou Jian, has voluntarily committed not to sell his approximately 70.57 million H-shares, which represent about 14% of the total share capital, for 12 months starting from December 29 this year, indicating his long-term commitment and optimism towards the company's humanoid robot business [1] - Citigroup has valued UBTECH using a price-to-sales ratio, predicting a target price of HKD 155 based on a 23 times price-to-sales ratio forecast for 2026, and has rated the stock as "Buy" [1] - Citigroup anticipates that other key management and shareholders will likely make similar announcements before or on the day the latest lock-up period expires, aiming to alleviate market concerns regarding potential stock sales impacting the share price [1]