A股指数震荡回落,创业板指半日跌1.83%,化工、房地产板块逆势大涨

Market Overview - The three major indices experienced a decline, with the Shenzhen Component Index dropping over 1% and the ChiNext Index falling over 2% during early trading on January 20 [1] - By midday, the Shanghai Composite Index decreased by 0.3%, the Shenzhen Component Index fell by 1.22%, and the ChiNext Index dropped by 1.83% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 1.85 trillion yuan, an increase of 568 billion yuan compared to the previous trading day [1] Index Performance - Shanghai Composite Index: 4101.62, down 0.30%, with 931 gainers and 1330 losers [2] - Shenzhen Component Index: 14119.95, down 1.22%, with 916 gainers and 1916 losers [2] - ChiNext Index: 3276.64, down 1.83%, with 358 gainers and 1012 losers [2] - The North Star 50 Index: 1520.27, down 1.83% [2] Sector Performance - The chemical sector showed resilience, with stocks like Hongbaoli, Shandong Heda, Hongbai New Materials, Weiyuan Co., and Hongqiang Co. hitting the daily limit [2] - The real estate sector was active, with stocks such as Dayue City, I Love My Home, and City Investment Holdings also reaching the daily limit [2] - AI application stocks saw gains, with companies like Jiayun Technology, Yue Media, Zhejiang Wenhu, and Tiandi Online hitting the daily limit [3] - The storage chip concept remained active, with stocks like Purun Co. and Baiwei Storage reaching new highs [3] - The commercial aerospace sector faced significant declines, with companies like Hualing Cable and Aerospace Power hitting the daily limit [3]