Dec 20 Corn closed at $4.23/bushel, up $0.155 from yesterday's close.  Dec 20 Wheat closed at $6.085/bushel, up $0.11 from yesterday's close.  Jan 21 Soybeans closed at $11.46/bushel, up $0.355 from yesterday's close.  Dec 20 Soymeal closed at $394.8/short ton, up $10.7 from yesterday's close.  Dec 20 Soyoil closed at 36.06 cents/lb up 0.58 cents from yesterday's close.  Dec 20 Live Cattle closed at $111.875/cwt up $0.05 from yesterday's close.  Jan 21 Feeder Cattle closed at $140.4/cwt down $0.325 from yesterday's close.  Dec 20 Lean Hogs closed at $65.125/cwt down $0.475 from yesterday's close.  Dec 20 WTI Crude Oil closed at $41.39/barrel up $1.1 from yesterday's close.   ...