Tuesday's Upgrades and Downgrades

Upgrades
CoStar Group (CSGP)- Ferris Baker Watts Neutral » Buy
Peet's Coffee (PEET)- Wedbush Morgan Hold » Buy
Clear Channel Outdoor (CCO)- Barrington Research Mkt Perform » Outperform
Cognex (CGNX)- Needham & Co Buy » Strong Buy
Safeway (SWY)- Banc of America Sec Neutral » Buy
Canadian Solar (CSIQ)- Piper Jaffray Neutral » Buy
Alon USA Energy (ALJ)- Caris & Company Above Average » Buy
Sprint Nextel (S )- HSBC Securities Underweight » Neutral
Patterson-UTI (PTEN)- Deutsche Securities Sell » Hold
Aquila (ILA)- UBS Sell » Neutral
Senior Housing (SNH)- UBS Neutral » Buy
Weight Watchers (WTW)- Oppenheimer Perform » Outperform
Centurytel (CTL)- Credit Suisse Underperform » Neutral
CoStar Group (CSGP)- JMP Securities Mkt Perform » Mkt Outperform
Viacom VIA.B (UBS)- Neutral » Buy
Bioscrip (BIOS)- Broadpoint Capital Neutral » Buy
Fluor FLR (UBS)- Neutral » Buy
Chipotle Mexican Grill (CMG )- Robert W. Baird Neutral » Outperform
Expeditors Intl (EXPD)- McAdams,Wright,Ragen Hold » Buy

Downgrades
Builders Firstsource (BLDR)- BB&T Capital Mkts Buy » Hold
Kona Grill (KONA)- Wedbush Morgan Buy » Hold
Ramtron (RMTR)- Collins Stewart Buy » Hold
Rodman & Renshaw (RODM)- Sterne Agee Buy » Sell
Cowen Group (COWN)- Sterne Agee Hold » Sell
Thomas Weisel (TWPG)- Sterne Agee Buy » Sell
Jefferies Group (JEF)- Sterne Agee Hold » Sell
HRPT Properties (HRP)- Stifel Nicolaus Hold » Sell
Macrovision (MVSN)- Piper Jaffray Buy » Neutral
American Medical (AMMD)- RBC Capital Mkts Outperform » Sector Perform
Advance America Cash (AEA)- Morgan Keegan Outperform » Mkt Perform
LCA Vision (LCAV)- RBC Capital Mkts Sector Perform » Underperform
Alexion Pharm (ALXN)- Wachovia Outperform » Mkt Perform
Sovran Self Storage (SSS)- Deutsche Securities Buy » Hold
Syngenta (SYT)- Lehman Brothers Equal-weight » Underweight
Whole Foods (WFMI)- Lehman Brothers Equal-weight » Underweight
TorreyPines Therapeutics (TPTX)- Rodman & Renshaw Mkt Outperform » Mkt Perform

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