May 20 Corn closed at $3.46/bushel, down $0.0275 from yesterday's close.  May 20 Wheat closed at $5.7125/bushel, up $0.0225 from yesterday's close.  May 20 Soybeans closed at $8.815/bushel, up $0.0125 from yesterday's close.  May 20 Soymeal closed at $323.1/short ton, up $0.2 from yesterday's close.  May 20 Soyoil closed at 26.85 cents/lb up 0.35 cents from yesterday's close.  Jun 20 Live Cattle closed at $89.425/cwt down $4.125 from yesterday's close.  May 20 Feeder Cattle closed at $120.925/cwt down $4.5 from yesterday's close.  Jun 20 Lean Hogs closed at $64.25/cwt down $4.5 from yesterday's close.  May 20 WTI Crude Oil closed at $21.57/barrel down $1.03 from yesterday's close.  &nbsp...