In the afternoon trading session, the memory chip sector experienced a sustained downturn, with Pujin shares plummeting by more than 10%. Share prices of other companies in the sector, including Beijing Junzheng, GigaDevice, Changxin Technology, Hengshuo Shares (Note: Transliterated as 'Hengshuo Shares' due to the absence of a standardized English name), and Dapu Micro, also witnessed corresponding declines.