May 20 Corn closed at $3.6575/bushel, down $0.0875 from yesterday's close.  May 20 Wheat closed at $5.055/bushel, down $0.0725 from yesterday's close.  May 20 Soybeans closed at $8.595/bushel, down $0.1375 from yesterday's close.  May 20 Soymeal closed at $302.8/short ton, up $1.2 from yesterday's close.  May 20 Soyoil closed at 26.38 cents/lb down 1.15 cents from yesterday's close.  Apr 20 Live Cattle closed at $100.075/cwt down $3 from yesterday's close.  Apr 20 Feeder Cattle closed at $119.025/cwt down $4.5 from yesterday's close.  Apr 20 Lean Hogs closed at $60.875/cwt down $3 from yesterday's close.  Apr 20 WTI Crude Oil closed at $31.11/barrel down $1.87 from yesterday's close.  &n...