A股三大指数集体收涨，机器人概念股爆发

Core Viewpoint - The market opened lower but rebounded, with the ChiNext Index reaching a three-year high and the STAR 50 Index rising nearly 5% at one point [1] Market Performance - The total trading volume in the Shanghai and Shenzhen markets was 2.33 trillion yuan, a decrease of 167.6 billion yuan compared to the previous trading day [1] - Over 4,400 stocks in the market rose, while fewer than 900 stocks declined [1] - By the end of trading, the Shanghai Composite Index increased by 0.83%, the Shenzhen Component Index rose by 1.80%, and the ChiNext Index gained 2.28% [1] Sector Performance - The chip industry chain continued its strong performance, with over 20 stocks hitting the daily limit, including Huashuo Technology with four consecutive limit-ups, Sunflower with three consecutive limit-ups, and Zhangjiang Hi-Tech with two consecutive limit-ups reaching a new high [1] - The robotics sector saw a surge, with companies like Haoneng Co. and Zhongchuang Zhiling among over ten stocks hitting the daily limit, and Lianmei Holdings achieving three consecutive limit-ups, while Yingfeng Co. had two consecutive limit-ups [1] - Alibaba Cloud-related stocks were active, with Hangang Co. hitting the daily limit [1] Underperforming Sectors - The tourism sector showed weakness, with Yunnan Tourism hitting the daily limit down [1] - Sectors such as storage chips, photolithography machines, and energy metals saw the largest gains, while tourism and other sectors experienced the most significant declines [1]