Wheat for July delivery was flat at $7.005 a bushel; July corn fell 5.25 cents to $6.68 a bushel; July oats were flat at $3.9475 a bushel; while July soybeans rose 4.5 cents to $15.02 a bushel.
Beef and pork prices were also mixed on the Chicago Mercantile Exchange.
August live cattle rose 0.20 cent to $1.2020 a pound; August feeder cattle fell 0.42 cent to $1.44 a pound; July lean hogs fell 0.70 cent to 99.55 cents a pound.