May 20 Corn closed at $3.26/bushel, down $0.055 from yesterday's close.  May 20 Wheat closed at $5.4875/bushel, down $0.0625 from yesterday's close.  May 20 Soybeans closed at $8.47/bushel, down $0.0725 from yesterday's close.  May 20 Soymeal closed at $287.5/short ton, down $1.1 from yesterday's close.  May 20 Soyoil closed at 26.74 cents/lb down 0.16 cents from yesterday's close.  Jun 20 Live Cattle closed at $83.8/cwt up $2.425 from yesterday's close.  May 20 Feeder Cattle closed at $114.85/cwt up $0.4 from yesterday's close.  Jun 20 Lean Hogs closed at $43.95/cwt down $0.975 from yesterday's close.  May 20 WTI Crude Oil closed at $20.7/barrel down $1.71 from yesterday's close.  &nbsp...