超3500股下跌！这些概念，逆市走强

Market Overview - A-shares experienced low-level fluctuations on May 27, with the cultivated diamond sector leading the market [1][2] - The Shanghai Composite Index fell by 0.33%, Shenzhen Component Index by 0.87%, and ChiNext Index by 0.98% [2][3] - Over 3,500 stocks declined in the A-share market [2] Cultivated Diamond Sector - The cultivated diamond index rose by 4.45%, reaching 1953.05 [4] - Notable stocks in this sector included: - Huanghe Xuanfeng (600172.SH) up 10.10% - Huifeng Diamond up 7.55% - Sifangda up 5.69% [4] Industrial Profit Data - From January to April, industrial enterprises above designated size achieved total profits of 21,170.2 billion yuan, a year-on-year increase of 1.4% [5] - Key industries with profit growth included: - Agricultural and sideline food processing up 45.6% - Non-ferrous metal smelting and rolling up 24.5% - Electrical machinery and equipment manufacturing up 15.4% [5] Stock Performance - Several stocks showed significant activity, with some hitting the daily limit up: - Shangwei Co. (603333) saw a cumulative increase of 33.09% over three trading days [6] - Suzhou Longjie (603332) experienced a price deviation of 20% over two trading days [6] Hong Kong Market Activity - In the Hong Kong market, the Hang Seng Index fell by 0.18% and the Hang Seng Tech Index by 0.58% [7][11] - Shenzhou Holdings saw a significant increase, with shares rising over 18% due to shareholder intentions to increase holdings [12][13] - The proposed increase in shareholding by DCG amounts to 4.28 billion yuan (approximately 4.67 billion HKD) [12][13]