Hong Kong-listed chip stocks continued their upward trend in the afternoon, with Montage Technology (06809.HK) surging over 52.7% on its first day of trading, GigaDevice (03986.HK) rising over 11.5%, Shanghai Fudan (01385.HK) climbing over 10%, and Tianyu Semiconductor (02658.HK), Innoscience (02577.HK), and SMIC (00981.HK) all rising over 5%.