Dec 20 Corn closed at $3.23/bushel, up $0.0225 from yesterday's close.  Sep 20 Wheat closed at $4.91/bushel, down $0.045 from yesterday's close.  Nov 20 Soybeans closed at $8.7325/bushel, up $0.0575 from yesterday's close.  Dec 20 Soymeal closed at $289.6/short ton, up $2.8 from yesterday's close.  Dec 20 Soyoil closed at 30.75 cents/lb up 0 cents from yesterday's close.  Oct 20 Live Cattle closed at $107.15/cwt up $0.7 from yesterday's close.  Sep 20 Feeder Cattle closed at $145.4/cwt up $0.275 from yesterday's close.  Oct 20 Lean Hogs closed at $53.825/cwt up $2.85 from yesterday's close.  Sep 20 WTI Crude Oil closed at $42.06/barrel up $0.84 from yesterday's close.   ...