GENERAL COMMENTS:May corn closed down 6 3/4 cents and July corn was down 4 3/4 cents. May soybeans closed up 5 1/4 cents and July soybeans were up 5 cents. May KC wheat closed down 1 1/2 cents, May Chicago wheat was down 5 1/2 cents, May Minneapolis wheat was down 2 cents.The U.S.