收评：沪指跌0.22% 福建板块持续走强

Core Viewpoint - The three major indices opened slightly lower and maintained a fluctuating trend throughout the day, with the Shanghai Composite Index briefly surpassing 4000 points, marking a new high in over 10 years [1] Market Performance - As of the market close, the Shanghai Composite Index fell by 0.22%, the Shenzhen Component Index decreased by 0.44%, and the ChiNext Index declined by 0.15% [1] Sector Highlights - The Fujian sector continued to perform strongly, with stocks such as Fujian Cement, Pingtan Development, and Xiamen Port Authority hitting the daily limit [1] - The superconducting concept saw significant gains, with Antai Technology reaching the daily limit [1] - The PCB (Printed Circuit Board) sector experienced fluctuations, with companies like Jingwang Electronics, Dongcai Technology, and Honghe Technology also hitting the daily limit [1] - The defense and military industry was active, with stocks like Great Wall Military Industry and Aerospace Development reaching the daily limit [1] Leading and Lagging Sectors - Sectors with notable gains included transportation facilities, building materials, shipbuilding, software services, communication equipment, and aviation [1] - Conversely, sectors that experienced declines included non-ferrous metals, engineering machinery, daily chemicals, steel, and paper [1]