Dec 18 Corn closed at $3.6675/bushel, down $0.075 from yesterday's close.  Dec 18 Wheat closed at $5.4525/bushel, down $0.025 from yesterday's close.  Nov 18 Soybeans closed at $8.7025/bushel, down $0.1575 from yesterday's close.  Dec 18 Soymeal closed at $323.2/short ton, down $4 from yesterday's close.  Dec 18 Soyoil closed at 28.56 cents/lb down 0.39 cents from yesterday's close.  Oct 18 Live Cattle closed at $108.9/cwt down $1.575 from yesterday's close.  Oct 18 Feeder Cattle closed at $148.625/cwt down $2.3 from yesterday's close.  Oct 18 Lean Hogs closed at $53.6/cwt down $2.625 from yesterday's close.  Oct 18 WTI Crude Oil closed at $67.93/barrel up $2.09 from yesterday's close. ...