Dec 21 Corn closed at $5.635/bushel, down $0.0525 from yesterday's close.  Sep 21 Wheat closed at $7.345/bushel, down $0.26 from yesterday's close.  Nov 21 Soybeans closed at $13.615/bushel, down $0.0675 from yesterday's close.  Dec 21 Soymeal closed at $362.9/short ton, up $0.4 from yesterday's close.  Dec 21 Soyoil closed at 62.12 cents/lb down 0.82 cents from yesterday's close.  Oct 21 Live Cattle closed at $128.125/cwt down $1 from yesterday's close.  Sep 21 Feeder Cattle closed at $160.925/cwt down $1.075 from yesterday's close.  Oct 21 Lean Hogs closed at $87.9/cwt down $1.1 from yesterday's close.  Sep 21 WTI Crude Oil closed at $66.76/barrel down $0.53 from yesterday's close.  &n...