Dec 20 Corn closed at $3.3475/bushel, up $0.04 from yesterday's close.  Sep 20 Wheat closed at $5.345/bushel, up $0.0675 from yesterday's close.  Nov 20 Soybeans closed at $8.955/bushel, up $0.025 from yesterday's close.  Dec 20 Soymeal closed at $294.2/short ton, up $0.9 from yesterday's close.  Dec 20 Soyoil closed at 30.52 cents/lb down 0.16 cents from yesterday's close.  Oct 20 Live Cattle closed at $105.725/cwt down $0.4 from yesterday's close.  Aug 20 Feeder Cattle closed at $141.525/cwt up $0.2 from yesterday's close.  Aug 20 Lean Hogs closed at $52.65/cwt up $1.175 from yesterday's close.  Sep 20 WTI Crude Oil closed at $41.81/barrel down $0.11 from yesterday's close.   ...