收评：沪指放量涨0.97% 半导体、磷化工板块大涨

Market Performance - A-shares experienced a strong opening and closing, with the Shanghai Composite Index surpassing 4000 points, closing up 0.97% [1] - The Shenzhen Component Index rose by 1.73%, while the ChiNext Index increased by 1.84%, and the Sci-Tech 50 Index surged by 3.34% [1] - Over 2800 stocks in the market saw gains, with total trading volume exceeding 2 trillion yuan [1] Sector Highlights - The phosphate chemical sector saw significant gains, with stocks like Qing Shui Yuan, Ba Tian Co., and Yun Tian Hua hitting the daily limit [1] - The semiconductor sector also performed well, with stocks such as Deming Li reaching the daily limit and Han Wu Ji rising over 9% [1] - The humanoid robot concept was active, with stocks like Wan Xiang Qian Chao and Fang Zheng Electric hitting the daily limit [1] - Apple-related stocks rose in the afternoon, with Dongshan Precision hitting the daily limit and Lens Technology increasing over 9% [1] Declines - The media and entertainment sector faced adjustments, with Yue Media hitting the daily limit down [1] - Other sectors that saw declines included CPO concepts, non-ferrous metals, Hainan Free Trade, duty-free concepts, and tourism [1]