Group 1 - The shale gas concept index rose by 0.98%, ranking 9th among concept sectors, with 23 stocks increasing in value, including ShenKong Co., which hit the daily limit, and others like Diwei Er and Haimeike, which rose by 6.50%, 5.58%, and 5.47% respectively [1][2] - The leading stocks in terms of net inflow of main funds include China Petroleum and ShenKong Co., with net inflows of 1.87 billion and 1.70 billion respectively [2][3] - The net inflow ratio for ShenKong Co., China Petrochemical, and China Petroleum were 24.38%, 19.56%, and 14.57% respectively, indicating strong investor interest [3] Group 2 - The overall market saw a net inflow of 5.01 billion into the shale gas concept sector, with 19 stocks receiving net inflows, and 5 stocks exceeding 10 million in net inflow [2][3] - Stocks with significant declines included Shandong Molong, Hai Xin Neng Ke, and Haohua Technology, which fell by 2.23%, 1.96%, and 1.58% respectively [1][4] - The trading volume and turnover rates for leading stocks in the shale gas sector indicate active trading, with ShenKong Co. showing a turnover rate of 24.23% [3][4]

截至5月28日收盘，可燃冰概念上涨2.50%，位居概念板块涨幅第2，板块内，9股上涨，神开股份涨 停，潜能恒信、海默科技、中国石化等涨幅居前，分别上涨8.59%、5.58%、1.94%。跌幅居前的有新锦 动力、石化油服、泰山石油等，分别下跌0.54%、0.53%、0.16%。 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（%） | | --- | --- | --- | --- | | 医疗废物处理 | 2.66 | 环氧丙烷 | -1.90 | | 可燃冰 | 2.50 | 转基因 | -1.75 | | 乳业 | 2.02 | 兵装重组概念 | -1.73 | | 可控核聚变 | 1.88 | 光刻胶 | -1.60 | | 毛发医疗 | 1.41 | 大豆 | -1.56 | | 垃圾分类 | 1.39 | 成飞概念 | -1.55 | | 啤酒概念 | 1.14 | 氟化工概念 | -1.52 | | 海工装备 | 1.12 | CRO概念 | -1.50 | | 页岩气 | 0.98 | 细胞免疫治疗 | -1.45 | | 黄金概念 | 0.95 | POE胶 ...