A股三大指数收涨，港股蔚来大涨14%，美团、网易、京东健康跌超2%

Market Overview - On March 11, the three major indices collectively rose, with the ChiNext Index initially increasing over 2% before retreating, while the Sci-Tech Innovation Index fell by 0.98%. Over 3,200 stocks in the market declined [1][2]. Index Performance - Shanghai Composite Index closed at 4,133.43, up by 10.30 points or 0.25% - Shenzhen Component Index closed at 14,465.41, up by 111.34 points or 0.78% - ChiNext Index closed at 3,349.53, up by 43.39 points or 1.31% - Sci-Tech Innovation Index closed at 1,774.03, down by 17.52 points or 0.98% - The total trading volume reached 2.51 trillion yuan, with 1,955 stocks rising and 3,157 stocks falling [2]. Sector Performance - The energy storage and lithium mining sectors were active throughout the day, with green energy concepts experiencing a surge. Green power stocks saw consecutive gains, and energy-saving wind power stocks hit the daily limit [2]. - The chemical sector saw a strong rally, particularly in coal and salt chemicals, with stocks like Jinniu Chemical and Zhongyan Chemical hitting the daily limit. The ongoing geopolitical conflict in the Middle East has pushed up international oil prices, supporting chemical product costs [2]. - The chemical fiber sector collectively rose, with companies like Zhongfu Shenying increasing over 14%. The price of spandex was raised, with increases of 2,000 yuan/ton for Taihe New Materials and 3,000 yuan/ton for Huahai Spandex reported [2]. Coal Sector - The coal sector experienced fluctuations, with Huadian Energy achieving consecutive gains. Other companies like China Coal Energy and Yanzhou Coal Mining also saw increases [3]. Downward Trends - The small metals sector declined, with companies like Xianglu Tungsten and Zhongtung High-tech dropping over 5%. The gas turbine sector also weakened, with stocks like Jereh and Tunan falling collectively [3]. - The "lobster" concept stocks saw a collective decline, with companies like Kunlun Wanwei and Qingyun Technology dropping over 4% [4]. Hong Kong Market - In the Hong Kong market, the Hang Seng Index fell by 0.21% and the Hang Seng Tech Index decreased by 0.14%. Most popular tech stocks declined, with Meituan, NetEase, and JD Health dropping over 2%. However, automotive stocks surged, with NIO rising over 14% and other companies like Li Auto and Xpeng increasing over 4%. NIO reported a quarterly operating profit of 1.25 billion yuan, marking the company's first quarterly profit [7].