Mar 21 Corn closed at $5.43/bushel, down $0.0625 from yesterday's close.  Mar 21 Wheat closed at $6.4475/bushel, down $0.0625 from yesterday's close.  Mar 21 Soybeans closed at $13.5475/bushel, down $0.105 from yesterday's close.  Mar 21 Soymeal closed at $428/short ton, down $2.5 from yesterday's close.  Mar 21 Soyoil closed at 44.32 cents/lb down 0.65 cents from yesterday's close.  Apr 21 Live Cattle closed at $122.525/cwt up $0.825 from yesterday's close.  Mar 21 Feeder Cattle closed at $139.125/cwt up $1.2 from yesterday's close.  Apr 21 Lean Hogs closed at $78.075/cwt up $2.575 from yesterday's close.  Mar 21 WTI Crude Oil closed at $54.86/barrel up $1.31 from yesterday's close.  &n...