Dec 20 Corn closed at $3.2325/bushel, up $0.03 from yesterday's close.  Sep 20 Wheat closed at $5.1075/bushel, up $0.025 from yesterday's close.  Nov 20 Soybeans closed at $8.7875/bushel, down $0.03 from yesterday's close.  Dec 20 Soymeal closed at $290.2/short ton, down $1.2 from yesterday's close.  Dec 20 Soyoil closed at 31.13 cents/lb up 0.08 cents from yesterday's close.  Oct 20 Live Cattle closed at $107.45/cwt down $0.025 from yesterday's close.  Sep 20 Feeder Cattle closed at $146.475/cwt down $0.15 from yesterday's close.  Oct 20 Lean Hogs closed at $49.3/cwt up $0.275 from yesterday's close.  Sep 20 WTI Crude Oil closed at $42.13/barrel up $0.43 from yesterday's close.   ...