市场风格高切低，粮食ETF(159698)涨超1.2%

Group 1 - The core viewpoint emphasizes that food security and improving agricultural production efficiency are fundamental national policies, with the industrialization of genetically modified biotechnology expected to continue advancing with policy support [1] - The upgrade and iteration of seed products will benefit leading seed companies by increasing sales volume and prices, highlighting the long-term investment value of leading companies whose valuations are currently at a low point [1] - As of August 26, 2025, the National Grain Industry Index (399365) rose by 1.14%, with notable increases in component stocks such as Yuntu Holdings (002539) up 9.06%, Baiao Chemical (603360) up 5.61%, and Dongfang Iron Tower (002545) up 5.17% [1] Group 2 - As of June 30, 2025, the top ten weighted stocks in the National Grain Industry Index (399365) include Dabeinong (002385), Longping High-Tech (000998), Beidahuang (600598), and others, collectively accounting for 51.06% of the index [2] - The Grain ETF (159698) closely tracks the National Grain Industry Index, reflecting the price changes of listed companies related to the grain industry on the Shanghai and Shenzhen stock exchanges [1]