CBOT农产品期货主力合约收盘多数下跌，小麦期货跌1.78%

Group 1 - The core viewpoint of the article indicates that the Chicago Board of Trade (CBOT) agricultural futures closed mostly lower on February 17, with soybean futures slightly increasing while corn and wheat futures declined significantly [1][2] Group 2 - Soybean futures rose by 0.15%, closing at 1134.75 cents per bushel [1] - Corn futures fell by 1.22%, closing at 426.50 cents per bushel [1] - Wheat futures decreased by 1.78%, closing at 539.00 cents per bushel [1]