Dec 20 Corn closed at $3.2675/bushel, up $0.005 from yesterday's close.  Sep 20 Wheat closed at $5.295/bushel, down $0.0325 from yesterday's close.  Nov 20 Soybeans closed at $8.8825/bushel, up $0.03 from yesterday's close.  Dec 20 Soymeal closed at $298/short ton, up $2.2 from yesterday's close.  Dec 20 Soyoil closed at 30.16 cents/lb up 0.1 cents from yesterday's close.  Oct 20 Live Cattle closed at $106.75/cwt up $0.7 from yesterday's close.  Aug 20 Feeder Cattle closed at $143.025/cwt up $1.05 from yesterday's close.  Aug 20 Lean Hogs closed at $51.425/cwt down $1.65 from yesterday's close.  Sep 20 WTI Crude Oil closed at $40.3/barrel down $0.97 from yesterday's close.   ...