Group 1 - The WiFi 6 concept sector experienced a decline of 1.79%, ranking among the top losers in the concept sector, with Cambridge Technology hitting the limit down [1][2] - Within the WiFi 6 sector, 43 stocks saw net outflows from main funds, with 11 stocks experiencing outflows exceeding 100 million yuan, led by Cambridge Technology with a net outflow of 811 million yuan [2][3] - The top gainers in the WiFi 6 sector included Wanlong Optoelectronics, Guokewi, and Unisplendour, which rose by 5.39%, 4.62%, and 2.77% respectively [1][4] Group 2 - The flexible DC transmission concept led the market with a gain of 5.14%, while the WiFi 6 concept was among the worst performers [2] - Major stocks with significant net outflows included Fenghuo Communication, Xinyi Communication, and Tongyu Communication, with net outflows of 674 million yuan, 668 million yuan, and 270 million yuan respectively [2][3] - The top stocks with net inflows included Unisplendour, Oulutong, and Guokewi, with inflows of 523 million yuan, 62.97 million yuan, and 47.50 million yuan respectively [4]

Market Overview - As of May 27, the China AI 50 concept index declined by 1.38%, ranking among the top declines in concept sectors [1] - Within the sector, companies such as Green Harmony, Cambricon, and Sangfor experienced significant declines, while China Great Wall, China Software, and Weichai Heavy Machinery saw increases of 7.84%, 3.60%, and 2.87% respectively [1] Concept Sector Performance - The top-performing concept sectors today included Glyphosate with a rise of 6.09%, Dairy Industry at 3.55%, and Supply and Marketing Cooperatives at 2.72% [2] - Conversely, the China AI 50 sector faced a net outflow of 1.213 billion yuan, with 37 stocks experiencing net outflows, and 9 stocks seeing outflows exceeding 100 million yuan [2] Major Fund Flows - The stock with the highest net outflow was Xinyi Sheng, with a net outflow of 516 million yuan, followed by Zhongji Xuchuang, ZTE, and SMIC with outflows of 293 million yuan, 238 million yuan, and 208 million yuan respectively [2] - On the other hand, the stocks with the highest net inflows included China Great Wall, China Software, and Weichai Heavy Machinery, with inflows of 1.245 billion yuan, 191 million yuan, and 57 million yuan respectively [2][4] Individual Stock Performance - Notable declines in the China AI 50 sector included Xinyi Sheng at -3.14%, Zhongji Xuchuang at -2.38%, and ZTE at -1.49% [3] - In contrast, China Great Wall led the gains with an increase of 7.84%, followed by China Software at 3.60% and Weichai Heavy Machinery at 2.87% [4]