A股收评：沪指跌0.51%！AI应用股低迷，培育钻石、煤炭逆势上扬

Market Overview - On December 3, A-shares experienced a collective decline, with the Shanghai Composite Index falling by 0.51% to 3878 points, the Shenzhen Component Index down by 0.78%, and the ChiNext Index decreasing by 1.12% [1] - The trading volume in the Shanghai and Shenzhen markets reached 1.67 trillion, an increase of 76.5 billion compared to the previous trading day, with over 3800 stocks declining [1] Sector Performance - AI application stocks saw significant declines, with Sora and Kimi concepts leading the drop; Fushi Holdings fell over 12% [1][5] - The cultivation diamond sector performed well, with Sifangda rising over 15% and Huanghe Xuanfeng hitting the daily limit [7] - The coal sector strengthened due to a severe cold wave, with stocks like Dayou Energy and Antai Group reaching the daily limit [8] - The airport and shipping sector saw gains, with Huaxia Airlines increasing by over 3% [10] - The flu concept remained active, with stocks like Jindike and Yuewannianqing rising over 15% [12] Notable Stocks - Xinhua Du fell by 9.19%, with other related stocks like Fuwu International and Zhejiang Wenhu falling by 8.65% and 8.04% respectively [4][3] - Fushi Holdings dropped by 12.68%, with other stocks like Yinsai Group and Visual China also declining [6][5] - In the cultivation diamond sector, Sifangda rose by 15.37%, while Huanghe Xuanfeng and Huifeng Diamond also saw significant increases [7] - In the coal sector, Dayou Energy and Antai Group both rose by 10.05% and 10.04% respectively [9] - Huaxia Airlines increased by 3.12%, with other airlines like Southern Airlines and Xiamen Airport also showing gains [11] - Jindike and Yuewannianqing saw increases of 15.93% and 15.32% respectively in the flu sector [13] Regulatory News - The Central Cyberspace Administration of China has initiated a campaign to regulate online live streaming tipping, resulting in the closure of over 73,000 non-compliant live rooms and 24,000 accounts [5]