Dec 20 Corn closed at $3.4475/bushel, down $0.1225 from yesterday's close.  Sep 20 Wheat closed at $5.34/bushel, up $0.09 from yesterday's close.  Nov 20 Soybeans closed at $8.9075/bushel, down $0.1075 from yesterday's close.  Dec 20 Soymeal closed at $300.1/short ton, down $5.3 from yesterday's close.  Dec 20 Soyoil closed at 28.84 cents/lb down 0.08 cents from yesterday's close.  Aug 20 Live Cattle closed at $100/cwt up $0.75 from yesterday's close.  Aug 20 Feeder Cattle closed at $135.75/cwt up $1.225 from yesterday's close.  Aug 20 Lean Hogs closed at $49.875/cwt down $0.35 from yesterday's close.  Aug 20 WTI Crude Oil closed at $40.51/barrel up $0.89 from yesterday's close.   ...