May 20 Corn closed at $3.4375/bushel, down $0.0175 from yesterday's close.  May 20 Wheat closed at $5.3925/bushel, up $0.0425 from yesterday's close.  May 20 Soybeans closed at $8.625/bushel, up $0.1925 from yesterday's close.  May 20 Soymeal closed at $325.2/short ton, up $10.4 from yesterday's close.  May 20 Soyoil closed at 25.64 cents/lb up 0.16 cents from yesterday's close.  Jun 20 Live Cattle closed at $89.525/cwt up $0.6 from yesterday's close.  May 20 Feeder Cattle closed at $118.25/cwt up $5.225 from yesterday's close.  Jun 20 Lean Hogs closed at $67.95/cwt down $1.2 from yesterday's close.  May 20 WTI Crude Oil closed at $23.83/barrel down $2.08 from yesterday's close.   ...