May 20 Corn closed at $3.435/bushel, down $0.0025 from yesterday's close.  May 20 Wheat closed at $5.625/bushel, up $0.2325 from yesterday's close.  May 20 Soybeans closed at $8.84/bushel, up $0.215 from yesterday's close.  May 20 Soymeal closed at $333.6/short ton, up $8.4 from yesterday's close.  May 20 Soyoil closed at 26.14 cents/lb up 0.5 cents from yesterday's close.  Jun 20 Live Cattle closed at $92.525/cwt up $3 from yesterday's close.  May 20 Feeder Cattle closed at $122.75/cwt up $4.5 from yesterday's close.  Jun 20 Lean Hogs closed at $70.95/cwt up $3 from yesterday's close.  May 20 WTI Crude Oil closed at $23.39/barrel up $0.76 from yesterday's close.   ...