Jul 20 Corn closed at $3.2425/bushel, down $0.0075 from yesterday's close.  Sep 20 Wheat closed at $4.8575/bushel, down $0.0525 from yesterday's close.  Jul 20 Soybeans closed at $8.7075/bushel, down $0.0425 from yesterday's close.  Jul 20 Soymeal closed at $286.7/short ton, up $0.4 from yesterday's close.  Jul 20 Soyoil closed at 27.65 cents/lb down 0.52 cents from yesterday's close.  Aug 20 Live Cattle closed at $96.35/cwt down $0.85 from yesterday's close.  Aug 20 Feeder Cattle closed at $132.875/cwt down $0.325 from yesterday's close.  Aug 20 Lean Hogs closed at $51.25/cwt down $1.25 from yesterday's close.  Aug 20 WTI Crude Oil closed at $38.05/barrel down $2.32 from yesterday's close.&nb...