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  •  Dow Down0.13% Nasdaq Up0.14%
    Upgrades & Downgrades History
    UPGRADES & DOWNGRADES HISTORY 
    DateResearch FirmActionFromTo
    8-Nov-12NeedhamUpgradeHoldBuy
    19-Apr-12Stifel NicolausDowngradeBuyHold
    8-Jul-11OppenheimerDowngradeOutperformPerform
    8-Jul-11NeedhamDowngradeBuyHold
    4-Jan-11NeedhamInitiatedBuy
    4-Jan-11Stifel NicolausInitiatedBuy
    3-Feb-00AG EdwardsUpgradeAccumulateBuy
    22-Oct-99AG EdwardsDowngradeBuyAccumulate
    26-Jun-98Bear StearnsInitiatedBuy

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