收评：沪指涨1.15%再度站上3400点 两市成交额超1.4万亿

Market Performance - The Shanghai Composite Index rose by 1.15%, reclaiming the 3400-point level, while the Shenzhen Component Index increased by 1.68% and the ChiNext Index surged by 2.3% [1][2] - The total trading volume of the Shanghai and Shenzhen stock markets exceeded 1.41 trillion yuan, an increase of 292 billion yuan compared to the previous trading day [1] Sector Performance - Solid-state battery stocks experienced a significant surge, with over 10 stocks, including Nord Shares, hitting the daily limit [1] - Robotics stocks rebounded, with Hangzhou Gear Forward and others reaching the daily limit [1] - Autonomous driving stocks were active, with Wanma Technology and others also hitting the daily limit [1] - In contrast, oil and gas stocks collectively fell, with Zhun Oil Shares hitting the daily limit down [1] - The sectors with the highest gains included solid-state batteries, humanoid robots, gaming, and autonomous driving, while oil and gas, ports, and precious metals saw the largest declines [1]