n, Natixis downgrades IAM FP ••• Barclays reinstates ELPE GA (ew), Berenberg downgrades TATE LN, BofA remains cautious Greek Banks ••• UBS upgrades TATE LN & downgrades ERICB SS, JPM downgrades TATE LN & THR BB, Jefferies downgrades UNA NA EFTA00361842 ••• UBS adds FRES LN to most preferred list & remo