May 21 Corn closed at $5.5125/bushel, up $0.0225 from yesterday's close.  May 21 Wheat closed at $6.3475/bushel, up $0.075 from yesterday's close.  May 21 Soybeans closed at $14.2325/bushel, up $0.0575 from yesterday's close.  May 21 Soymeal closed at $398.8/short ton, up $2.2 from yesterday's close.  May 21 Soyoil closed at 57.02 cents/lb up 0.65 cents from yesterday's close.  Jun 21 Live Cattle closed at $120.05/cwt up $1.125 from yesterday's close.  May 21 Feeder Cattle closed at $145.475/cwt up $0.375 from yesterday's close.  Jun 21 Lean Hogs closed at $101.25/cwt up $1.775 from yesterday's close.  May 21 WTI Crude Oil closed at $57.53/barrel down $4.03 from yesterday's close.  &nbsp...