Dec 21 Corn closed at $5.7975/bushel, down $0.0925 from yesterday's close.  Sep 21 Wheat closed at $6.5275/bushel, down $0.1275 from yesterday's close.  Nov 21 Soybeans closed at $13.99/bushel, up $0.035 from yesterday's close.  Dec 21 Soymeal closed at $388.3/short ton, down $0.4 from yesterday's close.  Dec 21 Soyoil closed at 62.28 cents/lb up 0.79 cents from yesterday's close.  Aug 21 Live Cattle closed at $122/cwt down $1.575 from yesterday's close.  Aug 21 Feeder Cattle closed at $157.05/cwt up $0.725 from yesterday's close.  Aug 21 Lean Hogs closed at $100.225/cwt down $0.075 from yesterday's close.  Aug 21 WTI Crude Oil closed at $75.12/barrel down $0.11 from yesterday's close. ...