May 20 Corn closed at $3.745/bushel, down $0.03 from yesterday's close.  May 20 Wheat closed at $5.1275/bushel, down $0.095 from yesterday's close.  May 20 Soybeans closed at $8.7325/bushel, down $0.03 from yesterday's close.  May 20 Soymeal closed at $301.6/short ton, down $0.3 from yesterday's close.  May 20 Soyoil closed at 27.53 cents/lb down 0.14 cents from yesterday's close.  Apr 20 Live Cattle closed at $103.075/cwt down $2.375 from yesterday's close.  Apr 20 Feeder Cattle closed at $123.525/cwt down $4.425 from yesterday's close.  Apr 20 Lean Hogs closed at $63.875/cwt down $1.125 from yesterday's close.  Apr 20 WTI Crude Oil closed at $32.86/barrel down $1.5 from yesterday's close.&nb...