May 20 Corn closed at $3.4875/bushel, up $0.0025 from yesterday's close.  May 20 Wheat closed at $5.69/bushel, down $0.11 from yesterday's close.  May 20 Soybeans closed at $8.8025/bushel, down $0.0125 from yesterday's close.  May 20 Soymeal closed at $322.9/short ton, up $1.2 from yesterday's close.  May 20 Soyoil closed at 26.5 cents/lb down 0.14 cents from yesterday's close.  Jun 20 Live Cattle closed at $93.55/cwt down $2.775 from yesterday's close.  May 20 Feeder Cattle closed at $125.425/cwt down $3.675 from yesterday's close.  Jun 20 Lean Hogs closed at $68.75/cwt down $3 from yesterday's close.  May 20 WTI Crude Oil closed at $23.11/barrel down $1.38 from yesterday's close.  &nbs...