美豆产量预期下调，豆粕ETF上涨2.52%，养殖股纷纷走低

Group 1 - The U.S. Department of Agriculture (USDA) has revised its soybean production forecast, lowering the planted area from 82.5 million acres to 80.1 million acres, while increasing the yield estimate from 52.5 bushels per acre to 53.6 bushels per acre, which has led to a significant rebound in soybean futures on the CBOT [1] - The only listed agricultural ETF in China, the soybean meal ETF (159985), saw an increase of 2.52% today, with its performance over the past year, two years, and three years recorded at +2.14%, -11.70%, and +18.51% respectively [1] - The A-share livestock sector experienced declines, with companies such as Minhe Foods down 2.90%, Yisheng Industrial down 2.24%, Shengnong Development down 1.87%, and Tianma Technology down 1.43% [1] Group 2 - The soybean meal ETF (159985) not only serves as a single investment product but also possesses long-term investment value in asset allocation, inflation hedging, and roll yield, with a low correlation to the stock market [2] - Soybean meal is the largest among 12 oilseed meal varieties, indicating a strong underlying spot market [2]