Mar 21 Corn closed at $5.5/bushel, down $0.02 from yesterday's close.  Mar 21 Wheat closed at $6.375/bushel, down $0.1075 from yesterday's close.  Mar 21 Soybeans closed at $13.725/bushel, up $0.0125 from yesterday's close.  Mar 21 Soymeal closed at $433.1/short ton, down $2.4 from yesterday's close.  Mar 21 Soyoil closed at 44.94 cents/lb up 0.46 cents from yesterday's close.  Apr 21 Live Cattle closed at $123.75/cwt up $1.3 from yesterday's close.  Mar 21 Feeder Cattle closed at $139.5/cwt up $0.975 from yesterday's close.  Apr 21 Lean Hogs closed at $79.3/cwt up $0.1 from yesterday's close.  Mar 21 WTI Crude Oil closed at $56.34/barrel up $0.65 from yesterday's close.   ...