May 20 Corn closed at $3.5475/bushel, down $0.11 from yesterday's close.  May 20 Wheat closed at $4.98/bushel, down $0.08 from yesterday's close.  May 20 Soybeans closed at $8.2175/bushel, down $0.27 from yesterday's close.  May 20 Soymeal closed at $296.3/short ton, down $3.2 from yesterday's close.  May 20 Soyoil closed at 24.99 cents/lb down 1.38 cents from yesterday's close.  Apr 20 Live Cattle closed at $91.85/cwt down $3.725 from yesterday's close.  Apr 20 Feeder Cattle closed at $108.1/cwt down $4.5 from yesterday's close.  Apr 20 Lean Hogs closed at $53.975/cwt down $2.4 from yesterday's close.  Apr 20 WTI Crude Oil closed at $28.6/barrel down $3.13 from yesterday's close.  &nbsp...