Group 1 - The National Grain Industry Index (399365) has seen a slight increase of 0.07% as of July 17, 2025, with notable gains in constituent stocks such as Honghui Fruits and Vegetables (603336) up 2.62% and Dongfang Iron Tower (002545) up 2.38% [1] - The Ministry of Agriculture and Rural Affairs reported that summer grain production has achieved stability and abundance despite local drought conditions [1] - GF Securities indicated a tight balance in the supply and demand of new season corn, predicting a moderate price increase, with global corn ending stocks expected to decline further, reaching a ten-year low of 21.57% in the inventory-to-consumption ratio [1] Group 2 - As of June 30, 2025, the top ten weighted stocks in the National Grain Industry Index (399365) include major companies such as Dabeinong (002385) and Longping High-Tech (000998), 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]