May 20 Corn closed at $3.485/bushel, up $0.0125 from yesterday's close.  May 20 Wheat closed at $5.8/bushel, up $0.185 from yesterday's close.  May 20 Soybeans closed at $8.815/bushel, down $0.0525 from yesterday's close.  May 20 Soymeal closed at $321.7/short ton, down $10.4 from yesterday's close.  May 20 Soyoil closed at 26.64 cents/lb up 0.09 cents from yesterday's close.  Jun 20 Live Cattle closed at $96.325/cwt down $0.7 from yesterday's close.  May 20 Feeder Cattle closed at $129.1/cwt down $0.4 from yesterday's close.  Jun 20 Lean Hogs closed at $71.75/cwt down $1.25 from yesterday's close.  May 20 WTI Crude Oil closed at $24.29/barrel up $0.28 from yesterday's close.   ...