Group 1 - The Shanghai Agricultural Theme Index (000122) opened high but fluctuated, closing down 0.55% at 1480.77 points with a trading volume of 4.544 billion yuan [1] - Over the past month, the Shanghai Agricultural Theme Index has increased by 0.74%, by 5.47% over the past three months, and by 1.31% year-to-date [1] - The index consists of 50 listed companies involved in agricultural products, agricultural machinery, fertilizers and pesticides, and veterinary drugs, reflecting the overall performance of agricultural theme stocks in the Shanghai market [1] Group 2 - The Shanghai Agricultural Theme Index is fully composed of stocks listed on the Shanghai Stock Exchange, with a market segment allocation of 100% [2] - The index sample's industry composition shows that major consumption accounts for 84.89%, raw materials for 12.32%, and industrial for 2.79% [2] - The index samples are adjusted every six months, with adjustments implemented on the next trading day after the second Friday of June and December each year [2]