Wheat for July delivery fell 14.5 cents to $8.665 a bushel; July corn fell 6.5 cents to $7.2125 a bushel; July oats added 2.5 cents to $4.155 a bushel; July soybeans lost 13 cents to $15.325 a bushel.
Beef and pork futures traded higher on the Chicago Mercantile Exchange.
June live cattle added 0.4 cent to 95.57 cents a pound; August cattle gained 2.47 cents to $1.1357 a pound; July lean hogs gained 2.9 cents to 77.17 cents a pound; July pork bellies added 0.78 cent to 72.95 cents a pound.