 Some concern about the Russian and Ukrainian feed grain crops helped corn futures move to the upside today. December corn futures opened on support at yesterday's low and on the session low and then recovered to post a mid to high range close. September corn futures were 5.25 cents higher at 3.95.3. December corn up 4.5 to 4.08.3. March corn futures closed at 4.22 up 4.25 cents.