Hong Kong-listed Apple concept stocks fluctuated and weakened, with Q Technology (01478.HK) and Sunny Optical Technology (02382.HK) both falling by more than 4%, AAC Technologies (02018.HK) and BYD Electronic (00285.HK) both falling by more than 3%, and Lens Technology (06613.HK) and Cowell Electronic (01415.HK) and other stocks following suit.