芝加哥玉米期货跌1.9%，大豆和大豆油跌超1.3%

Core Points - The Bloomberg Grain Index fell by 1.07% to 30.8688 points, before rising to a new high of 31.4065 points and then declining again [1] - CBOT corn futures decreased by 1.90%, settling at $4.5075 per bushel [1] - CBOT wheat futures increased by 0.38%, reaching $5.3050 per bushel, as traders assessed demand signals and U.S. crop growing conditions [1] - CBOT soybean futures dropped by 1.32% to $10.4850 per bushel, with soybean meal futures down by 0.84% and soybean oil futures down by 1.39% [1]