Core Viewpoint - The A-share market has seen significant movements in flu-related stocks, with several companies reaching their daily limit up due to increased demand amid a rising flu activity across the country [1] Group 1: Stock Performance - Companies such as Peking University Pharmaceutical (000788), Guangji Pharmaceutical (000952), and Hainan Haiyao (000566) experienced sharp increases, hitting the daily limit up [1] - Other stocks like Jindike and Te Yi Pharmaceutical (002728) also reached their daily limit up, with additional stocks such as Yipin Hong (300723) and Hendi Pharmaceutical (301211) following suit [1] Group 2: Market Context - The flu activity in the country is currently on a rapid rise, with reports indicating that Beijing has entered a high incidence period for respiratory infectious diseases [1] - Recent data shows a dramatic increase in sales of antiviral medications, with Oseltamivir sales surging by 237% over the past week, while the sales of Favipiravir (Mabalaosavir) increased by 180% [1]