Mar 20 Corn closed at $3.705/bushel, down $0.02 from yesterday's close.  May 20 Wheat closed at $5.3575/bushel, down $0.0125 from yesterday's close.  May 20 Soybeans closed at $8.92/bushel, up $0.0375 from yesterday's close.  May 20 Soymeal closed at $298.3/short ton, up $5.3 from yesterday's close.  May 20 Soyoil closed at 29.45 cents/lb down 0.17 cents from yesterday's close.  Apr 20 Live Cattle closed at $112.35/cwt down $0.6 from yesterday's close.  Mar 20 Feeder Cattle closed at $134.075/cwt up $1.1 from yesterday's close.  Apr 20 Lean Hogs closed at $65.15/cwt up $0.475 from yesterday's close.  Apr 20 WTI Crude Oil closed at $48.67/barrel down $1.23 from yesterday's close.   ...