Group 1 - The Guozheng Grain Industry Index (399365) increased by 0.36% as of April 7, 2025, with notable stock performances including Wanxiang Denong (600371) hitting the daily limit, Shennong Seed Industry (300189) rising by 8.08%, and Lier Chemical (002258) increasing by 8.07% [1] - The Grain ETF (159698) rose by 1.27%, with a trading volume of 23.8488 million yuan, leading among similar products and achieving a turnover rate of 12.11%, indicating active market trading [1] - Dongxing Securities highlighted that agricultural products are being used as a significant countermeasure against tariffs, with an increased focus on food security strategies, as emphasized in the No. 1 Document of 2025, which discusses "new agricultural productivity" and the promotion of biotechnology in agriculture [1] Group 2 - As of March 31, 2025, the top ten weighted stocks in the Guozheng Grain Industry Index (399365) include Dabeinong (002385), Longping High-Tech (000998), and Beidahuang (600598), collectively accounting for 52.74% of the index [2]