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  •  Dow Down0.08% Nasdaq Up0.22%
    Upgrades & Downgrades History
    DateResearch FirmActionFromTo
    12-May-14Singular ResearchInitiatedBuy
    2-May-14FBR CapitalInitiatedMkt Perform
    30-Dec-08Collins StewartDowngradeBuyHold
    19-Sep-08Stanford ResearchInitiatedBuy
    8-May-08Ladenburg ThalmannInitiatedHold
    20-Feb-08Leerink SwannDowngradeOutperformMkt Perform
    29-Jan-08Pacific Growth EquitiesInitiatedBuy
    13-Aug-07Leerink SwannInitiatedOutperform
    21-Jun-07Needham & CoUpgradeHoldBuy
    20-Dec-06CE Unterberg TowbinInitiatedBuy
    20-Dec-06WachoviaInitiatedMkt Perform
    20-Dec-06Thomas WeiselInitiatedOverweight
    7-Dec-06Needham & CoDowngradeBuyHold
    20-Nov-06Needham & CoInitiatedBuy

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