Jul 21 Corn closed at $6.7475/bushel, down $0.4 from yesterday's close.  Jul 21 Wheat closed at $7.015/bushel, down $0.2825 from yesterday's close.  Jul 21 Soybeans closed at $15.84/bushel, down $0.585 from yesterday's close.  Jul 21 Soymeal closed at $421.4/short ton, down $27.4 from yesterday's close.  Jul 21 Soyoil closed at 65.78 cents/lb down 0.62 cents from yesterday's close.  Jun 21 Live Cattle closed at $115.6/cwt down $3 from yesterday's close.  Aug 21 Feeder Cattle closed at $150.5/cwt down $0.025 from yesterday's close.  Jun 21 Lean Hogs closed at $110.1/cwt down $1.925 from yesterday's close.  Jun 21 WTI Crude Oil closed at $63.74/barrel down $2.34 from yesterday's close.  &n...