May 20 Corn closed at $3.1925/bushel, down $0.0675 from yesterday's close.  May 20 Wheat closed at $5.4025/bushel, down $0.085 from yesterday's close.  May 20 Soybeans closed at $8.42/bushel, down $0.05 from yesterday's close.  May 20 Soymeal closed at $292.2/short ton, up $4.7 from yesterday's close.  May 20 Soyoil closed at 26.55 cents/lb down 0.19 cents from yesterday's close.  Jun 20 Live Cattle closed at $84.825/cwt up $1.025 from yesterday's close.  May 20 Feeder Cattle closed at $115.575/cwt up $0.725 from yesterday's close.  Jun 20 Lean Hogs closed at $44.625/cwt up $0.675 from yesterday's close.  May 20 WTI Crude Oil closed at $20.21/barrel up $0.1 from yesterday's close.  &nbsp...