Analyst Upgrades

• Home Depot (HD) to buy from neutral at Goldman.
• Delta Air Lines (DAL) to buy from neutral at BofA/Merrill.
• Heico (HEI) to outperform from sector perform at RBC Capital.
• Royal Dutch Shell (RDS.A) to outperform from neutral at Credit Suisse.
• MB Financial (MBFI) to outperform from neutral at RW Baird.
• Quest Diagnostics (DGX) to equal weight from underweight at Morgan Stanley.
• Oshkosh (OSK) to neutral from underweight at JPMorgan.
• Volterra (VLTR) and Silicon Laboratories (SLAB) to buy from neutral at Roth Capital.
• Ascena Retail Group (ASNA) to overweight from neutral at Piper Jaffray.
• Cytec Industries (CYT) to buy from hold at Deutsche Bank.

Analyst upgrades:

• Wells Fargo upgraded Qualcomm (QCOM) to outperform from market perform. The firm believes key risks have been eliminated, such as the license dispute with Nokia (NOK) and litigation with Broadcom (BRCM), and thinks Qualcomm is well-positioned for handset unit shipments growth. Wells has a $50 to $60 target range on shares.
• Oppenheimer upgraded Juniper Networks (JNPR) to outperform from perform as it views shares as compelling at current levels and thinks the company is well positioned for 2010. Opco set a $31 price target on the stock.
• FBR Capital upgraded Frontline (FRO) to outperform from market perform after raising its rating on the tanker industry to overweight. The firm raised its target on shares to $33 from $23.
• PetSmart (PETM) was upgraded to buy from neutral at Goldman.
• Career Education (CECO) was upgraded to equal weight from underweight at Barclays.
• Rosetta Resources (ROSE) was upgraded to buy from neutral at SunTrust.

MOST NOTEWORTHY: Today's noteworthy downgrades involved Hilton Hotels Corp (HLT), TransAlta Corp (TAC), Cascade Corp (CAE), Activison (ATVI) and Atheros Communications (ATHR):

• Stifel downgraded Hilton Hotels (NYSE: HLT) to Hold from Buy at Stifel based on the recent acquisition.

• TD Newcrest cut TransAlta (NYSE: TAC) to Sell from Hold and doesn't consider an LBO of the company likely.

• Rodman cut Cascade (NYSE: CAE) to Market Underperform from Market Perform based on valuation.

• Activision (NASDAQ: ATVI) was downgraded to Neutral from Outperform at JP Morgan based on valuation and the competitive environment.

• AG Edwards believes Atheros Communications (NASDAQ: ATHR) has a less favorable risk/reward and cut shares to Hold from Buy...

OTHER DOWNGRADES:

• Needham downgraded Kyphon (NASDAQ: KYPH) to Buy from Strong Buy.

• UBS downgraded Taiwan Semiconductor (NYSE: TSM) to Neutral from Buy.

• Deutsche Bank cut Chicago Mercantile Exchange Holdings (NYSE: CME) to Hold from Buy.

• Roche Holding Ltd (OTC: RHHBY) was downgraded to Hold from Buy at Citigroup.

Analyst summaries provided by TheFlyOnTheWall.com (subscription required).