收评：沪指涨近1%重返4000点 金属铝、化工板块集体爆发

Core Viewpoint - The Shanghai Composite Index rose nearly 1% to reclaim the 4000-point mark, with significant trading volume and a broad market rally, indicating strong investor sentiment and sector performance [1] Market Performance - The total trading volume in the Shanghai and Shenzhen markets reached 2.06 trillion, an increase of 182.9 billion compared to the previous trading day [1] - Nearly 2900 stocks in the market experienced gains, showcasing widespread bullish activity [1] Sector Highlights - The chemical sector saw a collective surge, with stocks like Yuntianhua and Chengxing shares hitting the daily limit [1] - The gas turbine concept continued to rise, with companies such as Triangle Defense and Quanchai Power also reaching the daily limit [1] - The electric grid equipment sector maintained its strong performance, with Moen Electric achieving a three-day limit-up streak [1] - The electrolytic aluminum concept was active, with China Aluminum, Nanshan Aluminum, and Minfa Aluminum all hitting the daily limit [1] - AI hardware concept stocks experienced fluctuations, with Huylv Ecology and Dongshan Precision both reaching the daily limit, while Cambrian Technology rose over 9% [1] Declining Sectors - The tourism sector faced a collective decline, led by the ice and snow industry concept stocks, with Dalian Shengya hitting the daily limit down [1] - The Hainan sector weakened, with Hainan Airlines reaching the daily limit down [1] Index Performance - At the close, the Shanghai Composite Index rose by 0.97%, the Shenzhen Component Index increased by 1.73%, and the ChiNext Index gained 1.84% [1]