May 21 Corn closed at $5.4975/bushel, down $0.0725 from yesterday's close.  May 21 Wheat closed at $6.7575/bushel, down $0.0975 from yesterday's close.  May 21 Soybeans closed at $14.075/bushel, down $0.1825 from yesterday's close.  May 21 Soymeal closed at $423/short ton, down $4.3 from yesterday's close.  May 21 Soyoil closed at 49.67 cents/lb down 0.36 cents from yesterday's close.  Apr 21 Live Cattle closed at $121.675/cwt down $0.55 from yesterday's close.  Apr 21 Feeder Cattle closed at $145.075/cwt up $0.325 from yesterday's close.  Apr 21 Lean Hogs closed at $89.75/cwt up $0.325 from yesterday's close.  Apr 21 WTI Crude Oil closed at $63.4/barrel up $0.18 from yesterday's close. ...