1月30日，A股全天下来共有57只涨停股、60只跌停股。农业种植概念活跃，农发种业3天2板，登海种 业、敦煌种业等涨停；激光产业概念走强，杰普特涨停；CPO概念上涨，亨通光电涨停。 *ST万方连续14日跌停，*ST精伦连续4日跌停，*ST赛隆连续3日跌停，*ST春天、中农联合等连续2日 跌停，金钼股份、鹏欣资源、四川黄金等跌停。 连板股方面，天地在线10天6板，*ST铖昌7天6板，湖南黄金5连板，天奇股份5天3板，百川股份3连 板，*ST沪科4天2板，横店影视、中信尼雅等2连板，长飞光纤、东材科技等涨停。 ...

Group 1 - Agricultural planting concept stocks are active, with Zhongxing Junye hitting the daily limit [1] - Qiu Le Seed Industry, Guangyu Group, Hualv Biological, Shennong Seed Industry, Kangnong Seed Industry, and Wancheng Group also saw increases [1]

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]

Core Viewpoint - The agricultural planting sector has seen a significant increase, with a net inflow of 257 million yuan in main funds, leading to a 2.11% rise in the sector's index [1][2]. Group 1: Sector Performance - As of May 27, the agricultural planting concept rose by 2.11%, ranking 9th among concept sectors, with 68 stocks increasing in value [2]. - Notable gainers included Huailong Co., Ltd. (10%), Nuofeng (9.99%), and ST Lingnan (5.05%) [2][4]. - The sector's performance was contrasted by declines in stocks such as Wancheng Group (-1.81%) and Kanghui Pharmaceutical (-0.36%) [2][6]. Group 2: Fund Inflows - The agricultural planting sector attracted a net inflow of 257 million yuan, with 31 stocks receiving positive fund flows [3][4]. - Leading the inflow was Huailong Co., Ltd. with 134 million yuan, followed by Nuofeng with 113 million yuan [3][4]. - The net inflow ratios for ST Lingnan, Huailong Co., Ltd., and *ST Zhongji were 81.09%, 31.08%, and 16.82%, respectively [4][5]. Group 3: Stock Performance - Stocks with significant net inflows included Huailong Co., Ltd. (133.65 million yuan), Nuofeng (112.77 million yuan), and Chuaning Biological (46.64 million yuan) [3][4]. - The highest daily turnover rates were observed in Nuofeng (20.06%) and Huailong Co., Ltd. (7.90%) [4][5]. - Conversely, stocks like Wancheng Group and Kanghui Pharmaceutical experienced substantial outflows, with net outflows of -176.34 million yuan and -90.49 million yuan, respectively [6][7].