May 20 Corn closed at $3.3175/bushel, up $0.0175 from yesterday's close.  May 20 Wheat closed at $5.565/bushel, up $0.0825 from yesterday's close.  May 20 Soybeans closed at $8.635/bushel, up $0.09 from yesterday's close.  May 20 Soymeal closed at $292.5/short ton, down $0.3 from yesterday's close.  May 20 Soyoil closed at 27.41 cents/lb up 0.23 cents from yesterday's close.  Jun 20 Live Cattle closed at $84.375/cwt down $2.3 from yesterday's close.  May 20 Feeder Cattle closed at $118.95/cwt down $0.425 from yesterday's close.  Jun 20 Lean Hogs closed at $48.675/cwt down $2.775 from yesterday's close.  May 20 WTI Crude Oil closed at $23.71/barrel down $1.38 from yesterday's close.  &nbs...