Dec 21 Corn closed at $5.5625/bushel, down $0.025 from yesterday's close.  Sep 21 Wheat closed at $6.72/bushel, up $0.1775 from yesterday's close.  Nov 21 Soybeans closed at $13.8/bushel, down $0.0325 from yesterday's close.  Dec 21 Soymeal closed at $363.8/short ton, down $7 from yesterday's close.  Dec 21 Soyoil closed at 64.49 cents/lb up 0.74 cents from yesterday's close.  Aug 21 Live Cattle closed at $121.125/cwt down $0.125 from yesterday's close.  Aug 21 Feeder Cattle closed at $157.375/cwt up $0.425 from yesterday's close.  Aug 21 Lean Hogs closed at $104.3/cwt down $0.8 from yesterday's close.  Aug 21 WTI Crude Oil closed at $71.56/barrel down $1.57 from yesterday's close.  &nbs...