May 21 Corn closed at $5.3925/bushel, down $0.075 from yesterday's close.  May 21 Wheat closed at $6.0175/bushel, down $0.15 from yesterday's close.  May 21 Soybeans closed at $13.6675/bushel, down $0.2625 from yesterday's close.  May 21 Soymeal closed at $398.2/short ton, up $0.1 from yesterday's close.  May 21 Soyoil closed at 50.46 cents/lb down 2.5 cents from yesterday's close.  Jun 21 Live Cattle closed at $122.225/cwt down $0.425 from yesterday's close.  May 21 Feeder Cattle closed at $152.2/cwt up $0 from yesterday's close.  Jun 21 Lean Hogs closed at $106.025/cwt up $0.8 from yesterday's close.  May 21 WTI Crude Oil closed at $60.47/barrel down $1.09 from yesterday's close.  &nbs...