Hong Kong-listed chip stocks surged in the afternoon, with GigaDevice (03986.HK) rising over 14%, Hua Hong Semiconductor (01347.HK) rising over 10%, Montage Technology (06809.HK) rising over 8%, and other stocks such as Biren Technology (06082.HK), Innoscience (02577.HK), and SMIC (00981.HK) following suit.