May 22 Corn closed at $6.5575/bushel, down $0.345 from yesterday's close.  May 22 Wheat closed at $8.5975/bushel, down $0.75 from yesterday's close.  May 22 Soybeans closed at $15.845/bushel, down $0.695 from yesterday's close.  May 22 Soymeal closed at $442.7/short ton, down $12.9 from yesterday's close.  May 22 Soyoil closed at 68.93 cents/lb down 3.04 cents from yesterday's close.  Apr 22 Live Cattle closed at $141.925/cwt down $0.375 from yesterday's close.  Mar 22 Feeder Cattle closed at $160.025/cwt up $0.925 from yesterday's close.  Apr 22 Lean Hogs closed at $103.675/cwt down $1.85 from yesterday's close.  Apr 22 WTI Crude Oil closed at $91.88/barrel down $0.93 from yesterday's close.&...