Dec 20 Corn closed at $3.3575/bushel, down $0.04 from yesterday's close.  Sep 20 Wheat closed at $5.22/bushel, down $0.1275 from yesterday's close.  Nov 20 Soybeans closed at $9/bushel, up $0.05 from yesterday's close.  Dec 20 Soymeal closed at $296.9/short ton, up $2.8 from yesterday's close.  Dec 20 Soyoil closed at 30.53 cents/lb down 0.01 cents from yesterday's close.  Aug 20 Live Cattle closed at $102.275/cwt down $1 from yesterday's close.  Aug 20 Feeder Cattle closed at $141.6/cwt down $1.1 from yesterday's close.  Aug 20 Lean Hogs closed at $50.4/cwt down $2.4 from yesterday's close.    Aug 20 WTI Crude Oil closed at $40.69/barrel up $0.1 from yesterday's close...