Hong Kong stocks closed with the Hang Seng Index down 0.17% and the Tech Index down 0.76%. UDI Robotics (03231.HK) surged 153% on its first day of trading, while Lenovo Group (00992.HK) and Weichai Power (02338.HK) rose more than 6%. Haidilao (06862.HK) fell more than 9%.