GENERAL COMMENTS:September corn closed up 2 1/4 cents and December corn was up 3 cents. August soybeans closed up 6 3/4 cents and November soybeans were down 2 1/4 cents. September KC wheat closed up 10 3/4 cents, September Chicago wheat was up 8 1/2 cents and September Minneapolis wheat was up 16 cents.The U.S.