Downgrades 5/4: $AVH $CAE $CI $CLR $CTSH $CVX $DHT $DIS $DOW $EPAY $ERJ $ETN $FMNB $FRO $GWB $HON $KEY $LYB $NAT $OXY $PNC $PTE $PWFL $REXR $RRC $SAIL $SBGI $SRC $SSTI $STM $STOR $TEF $TS $UBS $UBSI $UE $WEN $WES $WFC $WY