Dec 20 Corn closed at $4.015/bushel, down $0.145 from yesterday's close.  Dec 20 Wheat closed at $6.0875/bushel, down $0.07 from yesterday's close.  Nov 20 Soybeans closed at $10.5725/bushel, down $0.25 from yesterday's close.  Dec 20 Soymeal closed at $376.7/short ton, down $7.3 from yesterday's close.  Dec 20 Soyoil closed at 33.42 cents/lb down 0.69 cents from yesterday's close.  Dec 20 Live Cattle closed at $104.675/cwt up $0.625 from yesterday's close.  Jan 21 Feeder Cattle closed at $129.95/cwt up $1.525 from yesterday's close.  Dec 20 Lean Hogs closed at $66.375/cwt down $1.275 from yesterday's close.  Dec 20 WTI Crude Oil closed at $37.35/barrel down $2.22 from yesterday's close. ...