A股五张图：题材大退潮？没事，再给你搞俩新人来！

Market Overview - The A-share market ended May with a slight decline, with the Shanghai Composite Index, Shenzhen Component Index, and ChiNext Index down by 0.47%, 0.85%, and 0.96% respectively, while over 4,100 stocks fell and more than 1,100 stocks rose [4] Brain Science Sector - The brain science sector showed resilience, with stocks like Innovation Medical and Guanxiao Biological hitting the daily limit, and others like Zhongke Information and Chengyitong rising over 15%. The sector initially rose over 3% but closed up by 1.01% [8][9] - The sector's performance was catalyzed by news of Elon Musk's Neuralink completing a $600 million financing round, with a pre-financing valuation of $9 billion, and Musk's tweet suggesting a significant breakthrough [8][9] Low-altitude Economy - The low-altitude economy sector experienced a surge in the afternoon, with stocks like Shangle Electronics rising over 17% and several others also performing well. However, the sector closed down by 0.4% after an initial rise [12][13] - The catalyst for this movement was a purported internal document from a brokerage suggesting optimism for logistics drones, which resonated with current market trends [13] Aquaculture Sector - The aquaculture sector saw a brief spike following news of progress in technical exchanges regarding Japanese seafood safety, leading to a surge in stocks like Guolian Aquatic and Dahu Co. However, this was short-lived, and the sector ultimately closed down by 0.46% [15][16] - The market's reaction reflects a tendency to react impulsively to news, with previous concerns about Japanese seafood imports now seen as a potential negative [17] Strong Stocks - Strong stocks faced a downturn, with several hitting the daily limit down, including Wangzi New Materials and Rongfa Nuclear Power. Other stocks like Suzhou Longjie and Liren Liren also saw significant declines [19][20] - The overall sentiment in the strong stock segment indicates a retreat, although some stocks attempted to recover, such as Xue Ren Co. [22]