Dec 20 Corn closed at $3.3875/bushel, up $0.115 from yesterday's close.  Sep 20 Wheat closed at $4.9675/bushel, up $0.055 from yesterday's close.  Nov 20 Soybeans closed at $8.995/bushel, up $0.165 from yesterday's close.  Dec 20 Soymeal closed at $298.7/short ton, up $8.9 from yesterday's close.  Dec 20 Soyoil closed at 31.19 cents/lb down 0.36 cents from yesterday's close.  Oct 20 Live Cattle closed at $110.15/cwt up $0.575 from yesterday's close.  Sep 20 Feeder Cattle closed at $147.375/cwt down $0.575 from yesterday's close.  Oct 20 Lean Hogs closed at $52.35/cwt up $0.75 from yesterday's close.  Sep 20 WTI Crude Oil closed at $42.33/barrel down $0.34 from yesterday's close.   ...