Dec 20 Corn closed at $3.2375/bushel, up $0.005 from yesterday's close.  Sep 20 Wheat closed at $5.0125/bushel, down $0.095 from yesterday's close.  Nov 20 Soybeans closed at $8.78/bushel, down $0.0075 from yesterday's close.  Dec 20 Soymeal closed at $288.4/short ton, down $1.8 from yesterday's close.  Dec 20 Soyoil closed at 31.28 cents/lb up 0.15 cents from yesterday's close.  Oct 20 Live Cattle closed at $106.975/cwt down $0.475 from yesterday's close.  Sep 20 Feeder Cattle closed at $145.875/cwt down $0.6 from yesterday's close.  Oct 20 Lean Hogs closed at $49.2/cwt down $0.1 from yesterday's close.  Sep 20 WTI Crude Oil closed at $42.02/barrel down $0.17 from yesterday's close.  &n...