资金流入比率方面，优博讯、吉大正元、信安世纪等流入比率居前，主力资金净流入率分别为 45.81%、36.96%、12.34%。（数据宝） 截至4月22日收盘，电子身份证概念上涨2.04%，位居概念板块涨幅第10，板块内，29股上涨，优博讯 20%涨停，吉大正元涨停，科蓝软件、新国都、信安世纪等涨幅居前，分别上涨9.87%、7.78%、 6.78%。跌幅居前的有观想科技、拓尔思、万达信息等，分别下跌1.92%、1.50%、1.24%。 今日涨跌幅居前的概念板块 | 概念 | 今日涨跌幅（%） | 概念 | 今日涨跌幅（%） | | --- | --- | --- | --- | | 供销社 | 3.93 | 中国AI 50 | -2.09 | | 跨境支付(CIPS) | 3.65 | 人形机器人 | -1.59 | | 草甘膦 | 3.57 | 英伟达概念 | -1.48 | | 中韩自贸区 | 3.16 | 果指数 | -1.38 | | 自由贸易港 | 3.05 | 算力租赁 | -1.32 | | 统一大市场 | 2.74 | 液冷服务器 | -1.28 | | 数字货币 | 2.63 | 华为手机 | ...

Group 1 - The Tonghuashun Fruit Index concept declined by 1.38%, ranking among the top declines in the concept sector, with companies like Lens Technology, Lante Optics, and Changying Precision experiencing significant drops [1][2] - Among the stocks in the Tonghuashun Fruit Index, only two stocks saw price increases, with Zhongshi Technology and BOE A rising by 2.20% and 0.26% respectively [1][2] Group 2 - The concept sectors with the highest gains today included Supply and Marketing Cooperatives (+3.93%), Cross-Border Payment (CIPS) (+3.65%), and Glyphosate (+3.57%), while the China AI 50 and Nvidia concept saw declines of -2.09% and -1.48% respectively [2] - The Tonghuashun Fruit Index experienced a net outflow of 587 million yuan from main funds, with 14 stocks seeing net outflows, and five stocks experiencing outflows exceeding 50 million yuan [2] - The stock with the highest net outflow was Luxshare Precision, with a net outflow of 184 million yuan, followed by Goer Technology and Lingyi iTech with outflows of 165 million yuan and 61.8 million yuan respectively [2][3]

Market Performance - As of April 22, Nvidia concept stocks fell by 1.48%, ranking among the top declines in the concept sector, with stocks like Yingweike hitting the daily limit down, while stocks such as Guangxian Media, Shenghong Technology, and Maigemeite also saw significant declines [1] - The top gainers in the market included Ninebot Company, Aoni Electronics, and Advanced Digital Communication, which rose by 4.62%, 3.23%, and 2.89% respectively [1] Capital Flow - The Nvidia concept sector experienced a net outflow of 2.77 billion yuan, with 44 stocks seeing net outflows, and 6 stocks exceeding 100 million yuan in outflows [1] - Guangxian Media led the outflow with a net withdrawal of 1.11 billion yuan, followed by Shenghong Technology, Yingweike, and Maigemeite with net outflows of 529 million yuan, 246 million yuan, and 182 million yuan respectively [1] Stock Performance - The stocks with the largest net outflows in the Nvidia concept included Guangxian Media (-9.23%), Shenghong Technology (-7.28%), Yingweike (-9.99%), and Maigemeite (-5.11%) [2] - Conversely, stocks with net inflows included Aobi Zhongguang, Guangdian Yuntong, and Yangjie Technology, with inflows of 82.51 million yuan, 34.59 million yuan, and 18.91 million yuan respectively [3]