May 20 Corn closed at $3.1425/bushel, down $0.08 from yesterday's close.  Jul 20 Wheat closed at $5.475/bushel, up $0.1375 from yesterday's close.  Jul 20 Soybeans closed at $8.3625/bushel, down $0.06 from yesterday's close.  Jul 20 Soymeal closed at $290.8/short ton, down $2.3 from yesterday's close.  Jul 20 Soyoil closed at 26.37 cents/lb down 0.3 cents from yesterday's close.  Jun 20 Live Cattle closed at $85.1/cwt down $1.2 from yesterday's close.  Aug 20 Feeder Cattle closed at $127.65/cwt down $0.75 from yesterday's close.  Jun 20 Lean Hogs closed at $46.25/cwt up $2.525 from yesterday's close.  May 20 WTI Crude Oil closed at $-36.29/barrel down $54.56 from yesterday's close.  &nbs...