Group 1 - The "摘帽" concept index rose by 2.19%, ranking fourth among concept sectors, with 28 stocks increasing in value [1] - Notable gainers included 恒宇信通 and 农尚环境, both reaching a 20% limit up, while 金一文化 and 奥瑞德 also hit the limit up [1] - The top gainers in the sector were 金时科技, 汉马科技, and 莫高股份, with increases of 9.06%, 7.57%, and 6.84% respectively [1] Group 2 - The "摘帽" concept saw a net outflow of 439 million yuan from main funds, with 22 stocks experiencing net inflows [2] - 奥瑞德 led the net inflow with 246 million yuan, followed by 金一文化, 农尚环境, and 恒宇信通 with net inflows of 101 million yuan, 55.64 million yuan, and 37.73 million yuan respectively [2][3] - The net inflow ratios for 奥瑞德, 农尚环境, and 金一文化 were 37.75%, 23.46%, and 22.51% respectively [3] Group 3 - The top stocks by net inflow in the "摘帽" concept included 奥瑞德, 金一文化, 农尚环境, and 恒宇信通, with respective daily turnover rates of 7.99%, 5.17%, 8.48%, and 17.92% [3] - The stocks with the largest declines included 山东墨龙, 汇金股份, and 国瑞科技, with declines of 8.38%, 6.48%, and 4.14% respectively [5]