May 20 Corn closed at $3.7275/bushel, down $0.0325 from yesterday's close.  May 20 Wheat closed at $5.1875/bushel, up $0.03 from yesterday's close.  May 20 Soybeans closed at $8.7/bushel, down $0.2125 from yesterday's close.  May 20 Soymeal closed at $300.4/short ton, down $4.7 from yesterday's close.  May 20 Soyoil closed at 27.54 cents/lb down 1.21 cents from yesterday's close.  Apr 20 Live Cattle closed at $102.85/cwt down $2.9 from yesterday's close.  Apr 20 Feeder Cattle closed at $125.55/cwt down $4.5 from yesterday's close.  Apr 20 Lean Hogs closed at $63/cwt down $2.925 from yesterday's close.  Apr 20 WTI Crude Oil closed at $30.91/barrel down $10.37 from yesterday's close.  &nbs...