本周芝加哥玉米期货跌约2.9%，大豆跌约2.4%

Group 1 - The Bloomberg Grain Index decreased by 0.29% to 28.7847 points, with a cumulative decline of 2.68% over four trading days [1] - CBOT corn futures fell by 0.74%, with a total decline of 2.89% for the week [1] - CBOT wheat futures dropped by 0.10%, accumulating a weekly decline of 2.27% [1] - CBOT soybean futures decreased by 0.17%, settling at $10.46 per bushel, with a total weekly decline of 2.38% [1] - Soybean meal futures experienced a cumulative decline of 3.64%, while soybean oil futures increased by 0.20% [1] - CBOT lean hog futures fell by 0.56%, while live cattle futures rose by 2.84% and feeder cattle futures increased by 3.71% [1]