May 20 Corn closed at $3.76/bushel, down $0.0575 from yesterday's close.  May 20 Wheat closed at $5.1575/bushel, down $0.03 from yesterday's close.  May 20 Soybeans closed at $8.9125/bushel, down $0.0575 from yesterday's close.  May 20 Soymeal closed at $305.1/short ton, up $1.2 from yesterday's close.  May 20 Soyoil closed at 28.75 cents/lb down 0.64 cents from yesterday's close.  Apr 20 Live Cattle closed at $105.75/cwt down $2.9 from yesterday's close.  Apr 20 Feeder Cattle closed at $130.05/cwt down $3.6 from yesterday's close.  Apr 20 Lean Hogs closed at $65.925/cwt up $0.55 from yesterday's close.  Apr 20 WTI Crude Oil closed at $41.22/barrel down $4.68 from yesterday's close.  &nb...