Dec 20 Corn closed at $3.405/bushel, up $0.0125 from yesterday's close.  Dec 20 Wheat closed at $5.35/bushel, up $0.065 from yesterday's close.  Nov 20 Soybeans closed at $9.0475/bushel, down $0.005 from yesterday's close.  Dec 20 Soymeal closed at $297.5/short ton, down $3.1 from yesterday's close.  Dec 20 Soyoil closed at 31.67 cents/lb up 0.15 cents from yesterday's close.  Oct 20 Live Cattle closed at $108.55/cwt down $1.225 from yesterday's close.  Sep 20 Feeder Cattle closed at $144.85/cwt down $0.975 from yesterday's close.  Oct 20 Lean Hogs closed at $54.25/cwt down $0.925 from yesterday's close.  Oct 20 WTI Crude Oil closed at $42.31/barrel down $0.51 from yesterday's close.  &n...