Thursday's Upgrades and Downgrades

UPGRADES
Riverbed Technology RVBD Collins Stewart Market Perform » Buy
Western Union WU DA Davidson Neutral » Buy
BTU Int'l BTUI Needham & Co Hold » Buy
Novellus NVLS Needham & Co Hold » Buy
QLogic QLGC Caris & Company Average » Above Average
Amgen AMGN Credit Suisse Neutral » Outperform
Symmetricom SYMM Cantor Fitzgerald Hold » Buy
Weatherford WFT Credit Suisse Neutral » Outperform
Dominion D Credit Suisse Neutral » Outperform
Smith Intl SII Calyon Securities Neutral » Add
Vodafone PLC VOD JP Morgan Neutral » Overweight
FirstMerit Corp FMER JP Morgan Underweight » Neutral
QLogic QLGC RBC Capital Mkts Sector Perform » Outperform
Citrix Systems CTXS Friedman Billings Mkt Perform » Outperform
STMicroelectronics STM Robert W. Baird Neutral » Outperform
Pactiv Corp PTV Deutsche Securities Hold » Buy

DOWNGRADES
XM Satellite XMSR Janco Partners Buy » Accumulate
Broadcom BRCM AmTech Research Buy » Sell
Range Resources RRC Friedman Billings Outperform » Mkt Perform
Petrosearch Energy PTSG Friedman Billings Outperform » Mkt Perform
PetroQuest Energy PQ Friedman Billings Outperform » Mkt Perform
Pogo Producing PPP Friedman Billings Outperform » Mkt Perform
Newfield Expl NFX Friedman Billings Outperform » Mkt Perform
Noble Energy NBL Friedman Billings Outperform » Mkt Perform
Mariner Energy ME Friedman Billings Outperform » Mkt Perform
CNX Gas CXG Friedman Billings Outperform » Mkt Perform
Comstock CRK Friedman Billings Outperform » Mkt Perform
Brigham Exploration BEXP Friedman Billings Outperform » Mkt Perform
SAVVIS Comm SVVS Stanford Research Buy » Hold
Trimble Navigation TRMB Needham & Co Buy » Hold
Charles & Colvard CTHR Northland Securities Outperform » Market Perform
C.R. Bard BCR Piper Jaffray Outperform » Market Perform
Prosperity Bancshares PRSP Stifel Nicolaus Buy » Hold
Buffalo Wild Wings BWLD Morgan Keegan Outperform » Mkt Perform
Eli Lilly LLY Cowen & Co Outperform » Neutral
C.R. Bard BCR Bear Stearns Outperform » Peer Perform
Burl Nrth Santa Fe BNI Credit Suisse Outperform » Neutral
Excel Maritime Carriers EXM Oppenheimer Buy » Neutral
Blockbuster BBI JP Morgan Overweight » Neutral
Biogen Idec BIIB HSBC Securities Overweight » Neutral
Wachovia WB Banc of America Sec Buy » NeutraL

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