Dec 20 Corn closed at $3.3925/bushel, down $0.005 from yesterday's close.  Dec 20 Wheat closed at $5.285/bushel, up $0.065 from yesterday's close.  Nov 20 Soybeans closed at $9.0525/bushel, down $0.0875 from yesterday's close.  Dec 20 Soymeal closed at $300.6/short ton, down $1.9 from yesterday's close.  Dec 20 Soyoil closed at 31.52 cents/lb down 0.45 cents from yesterday's close.  Oct 20 Live Cattle closed at $109.775/cwt down $1.05 from yesterday's close.  Sep 20 Feeder Cattle closed at $145.825/cwt down $0.175 from yesterday's close.  Oct 20 Lean Hogs closed at $55.175/cwt up $2.625 from yesterday's close.  Oct 20 WTI Crude Oil closed at $42.77/barrel down $0.34 from yesterday's close.&nbs...