May 20 Corn closed at $3.315/bushel, up $0.0375 from yesterday's close.  May 20 Wheat closed at $5.4925/bushel, down $0.065 from yesterday's close.  May 20 Soybeans closed at $8.5475/bushel, down $0.0075 from yesterday's close.  May 20 Soymeal closed at $293.8/short ton, down $3.2 from yesterday's close.  May 20 Soyoil closed at 27.48 cents/lb up 0.65 cents from yesterday's close.  Jun 20 Live Cattle closed at $84.8/cwt up $4.5 from yesterday's close.  May 20 Feeder Cattle closed at $113.8/cwt up $4.5 from yesterday's close.  Jun 20 Lean Hogs closed at $52.65/cwt up $3 from yesterday's close.  May 20 WTI Crude Oil closed at $24.57/barrel down $1.51 from yesterday's close.   ...