Dec 20 Corn closed at $3.285/bushel, up $0.015 from yesterday's close.  Sep 20 Wheat closed at $5.21/bushel, down $0.1025 from yesterday's close.  Nov 20 Soybeans closed at $8.9625/bushel, up $0.0375 from yesterday's close.  Dec 20 Soymeal closed at $295.7/short ton, down $1.6 from yesterday's close.  Dec 20 Soyoil closed at 31.32 cents/lb up 0.56 cents from yesterday's close.  Oct 20 Live Cattle closed at $108.275/cwt up $0.4 from yesterday's close.  Sep 20 Feeder Cattle closed at $147.075/cwt up $0.85 from yesterday's close.  Oct 20 Lean Hogs closed at $48.4/cwt down $1.225 from yesterday's close.  Sep 20 WTI Crude Oil closed at $40.83/barrel up $0.56 from yesterday's close.   ...