Group 1 - The corn concept sector experienced a decline of 5.84%, ranking among the top losers in the market, with stocks like Wanxiang Deno, Beidahuang, and others hitting the limit down [1][2] - Major stocks within the corn concept that faced significant losses include Shennong Seed Industry and Dunhuang Seed Industry, which also saw substantial declines [1][2] - The corn concept sector saw a net outflow of 1.142 billion yuan, with 19 stocks experiencing net outflows, and five stocks seeing outflows exceeding 100 million yuan, led by Beidahuang with a net outflow of 247 million yuan [2][3] Group 2 - The top losers in the corn concept include Beidahuang (-9.97%), Jinjian Rice Industry (-6.08%), and Dabeinong (-7.17%), with significant trading volumes and turnover rates [2][3] - Other notable stocks with losses include Shennong Seed Industry (-13.04%) and Fengle Seed Industry (-9.02%), indicating a broader trend of decline within the sector [2][3] - In contrast, stocks like Guangyu Group and Yantang Dairy saw net inflows of 37.87 million yuan and 18.96 million yuan respectively, highlighting a divergence in market sentiment [2][3]