Dec 20 Corn closed at $3.35/bushel, down $0.005 from yesterday's close.  Sep 20 Wheat closed at $5.395/bushel, up $0.1 from yesterday's close.  Nov 20 Soybeans closed at $8.9925/bushel, down $0.0075 from yesterday's close.  Dec 20 Soymeal closed at $298.6/short ton, up $0.7 from yesterday's close.  Dec 20 Soyoil closed at 30.37 cents/lb up 0.01 cents from yesterday's close.  Oct 20 Live Cattle closed at $105.1/cwt up $0.5 from yesterday's close.  Aug 20 Feeder Cattle closed at $142.05/cwt up $0.025 from yesterday's close.  Aug 20 Lean Hogs closed at $54/cwt down $0.475 from yesterday's close.  Sep 20 WTI Crude Oil closed at $41.24/barrel up $0.17 from yesterday's close.   ...