Jul 20 Corn closed at $3.17/bushel, down $0.0025 from yesterday's close.  Sep 20 Wheat closed at $4.7575/bushel, down $0.125 from yesterday's close.  Jul 20 Soybeans closed at $8.65/bushel, down $0.0425 from yesterday's close.  Jul 20 Soymeal closed at $282.1/short ton, down $3.4 from yesterday's close.  Jul 20 Soyoil closed at 27.2 cents/lb down 0.34 cents from yesterday's close.  Aug 20 Live Cattle closed at $96.025/cwt down $0.05 from yesterday's close.  Aug 20 Feeder Cattle closed at $132.6/cwt down $0.65 from yesterday's close.  Aug 20 Lean Hogs closed at $48.125/cwt down $3.2 from yesterday's close.  Aug 20 WTI Crude Oil closed at $38.14/barrel down $0.58 from yesterday's close.  &...