收评：沪指跌0.97%失守4000点 海南、福建板块逆市走强

Core Viewpoint - The three major indices opened lower and maintained a fluctuating adjustment trend, with significant declines in the Shanghai Composite Index, Shenzhen Component Index, and ChiNext Index [1] Market Performance - As of the market close, the Shanghai Composite Index fell by 0.97%, the Shenzhen Component Index decreased by 1.93%, and the ChiNext Index dropped by 2.82% [1] - The Hainan sector continued its strong performance, with stocks like Hainan Mining and Hainan Haiyao hitting the daily limit [1] - The natural gas concept saw a surge, with stocks such as Shouhua Gas, Changchun Gas, and Guo Xin Energy also reaching the daily limit [1] - The banking sector showed strength, with the Industrial and Commercial Bank of China reaching a historical high in stock price during the session [1] - The Fujian sector was actively traded, with stocks like Pingtan Development and Dongbai Group hitting the daily limit [1] - The aquatic products concept experienced a notable rise, with Zhongshui Fishery reaching the daily limit [1] Sector Performance - The supply and heating, commercial retail, pharmaceutical, and real estate sectors saw significant gains [1] - Conversely, the semiconductor, mineral products, storage chips, and internet sectors experienced notable declines [1]