Group 1 - The seed production sector has increased by over 4% [1] - The grain ETF (159698) has risen by 1.37%, reaching a new five-day high [1] - The trading volume has reached 31.0097 million yuan, which is a 33.40% increase compared to the same time yesterday [1] Group 2 - The trading volume has increased by 122.35% over the past month, adding 27.4 million shares [1] - The market leader in the packaging sector is recommended for rebound purchases through index ETFs [1]