节后首日，A股大涨

Core Viewpoint - The market experienced a strong opening after the holiday, with the ChiNext Index leading the gains and the Shanghai Composite Index closing above 3300 points, indicating positive market sentiment and robust trading activity [1][3]. Market Performance - The total trading volume in the Shanghai and Shenzhen markets reached 1.34 trillion, an increase of 166.8 billion compared to the previous trading day [1]. - The Shanghai Composite Index rose by 1.13%, the Shenzhen Component Index increased by 1.84%, and the ChiNext Index surged by 1.97% [3]. Sector Performance - Key sectors that saw significant gains included controlled nuclear fusion, rare earth permanent magnets, Hongmeng, and CPO, while a few sectors like banking experienced declines [2]. - The controlled nuclear fusion concept stocks collectively surged, with companies like Hailu Heavy Industry hitting the daily limit [1]. - Hongmeng and computing power concept stocks showed strong fluctuations, with over ten stocks, including Nantian Information, reaching the daily limit [1]. - Robotics concept stocks remained active, with multiple stocks such as Nanshan Zhishang also hitting the daily limit [1].