Zheng Quan Shi Bao·2025-12-03 09:52Market Overview - A-shares experienced a decline across the board, with the ChiNext index dropping over 1% and the Shanghai Composite Index closing down 0.51% at 3878 points [1] - The total trading volume in the Shanghai and Shenzhen markets reached 168.37 billion yuan, an increase of 76.4 billion yuan compared to the previous day [1] Sector Performance - The AI application concept saw a pullback, with stocks like Fushi Holdings falling over 12% and Inspur Software hitting the daily limit down [1] - Conversely, the non-ferrous metals and coal sectors showed resilience, with stocks such as Dayou Energy and Antai Group hitting the daily limit up [1] - The cultivated diamond concept surged, with Sifangda rising over 15% and Huifeng Diamond increasing by more than 10% [1] - The anti-influenza concept remained active, highlighted by Haiwang Biological achieving six consecutive limit-up days [2] Influenza-related Developments - The China CDC reported a nearly 45% positivity rate for influenza-like cases, indicating a significant rise in flu activity across the country [2] - The H3N2 subtype remains the dominant strain, accounting for over 95% of cases, with expectations of peak activity in mid-December [2] - Companies like Hainan Haiyao and Dajia Weikang are ramping up production and supply of influenza-related medications in response to rising demand [3] Stock Movements - Several strong stocks experienced sharp declines, with Saiwei Electronics dropping 19.56% after a significant prior increase of approximately 118% over the last ten trading days [4] - Heavily traded stocks such as Hefei China and Jinfu Technology also faced significant sell-offs, with both hitting the daily limit down [6][8] - Jinfu Technology's stock price had previously surged over 280% since late October, prompting warnings about potential market overheating [6][9]