GENERAL COMMENTS:September corn closed up 5 1/4 cents and December corn was up 4 1/2 cents. August soybeans closed up 12 1/2 cents and November soybeans were up 3 1/4 cents. September KC wheat closed down 5 1/4 cents, September Chicago wheat was down 1 3/4 cents and September Minneapolis wheat was down 5 cents.The U.S.