Analyst upgrades:

• UBS upgraded Salesforce.com (CRM) to Buy from Neutral based on positive feedback on the Chatter product and increasing confidence the company can beat FY11 guidance. The firm raised its price target to $111 from $90.
• Leerink upgraded Vivus (VVUS) to Outperform from Market Perform. The firm believes Qnexa issues raised by the FDA are labeling and marketing issues, and not approval issues. The firm expects a positive panel vote for Qnexa.
• Goldman upgraded AK Steel (AKS) to Buy from Netural citing lower iron ore prices. The firm has a $17 price target on the stock.
• Kinder Morgan Energy (KMP) was upgraded to Equal Weight at Morgan Stanley.
• Shire (SHPGY) was upgraded to Outperform from Neutral at Credit Suisse.
• Canadian National (CNI) was upgraded to Outperform from Market Perform at Raymond James.

Analyst Upgrades

• UBS upgraded UPS (UPS) and FedEx (FDX) to buy from hold based on recent weakness and leverage to a recovery. The firm raised its price target on UPS to $74 from $72 and on FedEx to $100 from $97.
• Bernstein upgraded Medicis (MRX) to outperform from market perform based on valuation and said the company has been executing well over the past few months. The firm has a $28 price target on the stock.
• Citigroup upgraded Weingarten Realty (WRI) to buy from hold, citing valuation and the company's improved balance sheet. The firm maintains a $24 price target for shares.
• Home Depot (HD) and Lowe's (LOW) were upgraded to market perform from underperform at BMO Capital.
• NextEra Energy (NEE) was upgraded to outperform from neutral at Baird.
• Nokia (NOK) was upgraded to neutral from reduce at WestLB.

Analyst upgrades:

• Roth Capital upgraded MicroStrategy (NASDAQ: MSTR) to Buy from Hold and raised its target to $90 from $70, citing encouraging Q2 results, new product cycle catalysts, a lift from Europe, and cost reductions.
• William Blair upgraded Costco (NASDAQ: COST) to Outperform from Market Perform after meeting with management as it believes sales and earnings could beat expectations over the next year.
• Credit Suisse upgraded Novellus (NASDAQ: NVLS) to Outperform from Neutral and raised its target to $29 from $23. The firm cites higher Samsung capex forecast, high leverage, and low expectations.
• Home Properties (NYSE: HME) and Equity Residential (NYSE: EQR) were upgraded to Outperform from Market Perform at FBC Capital, while Douglas Emmett (NYSE: DEI) and Duke Realty (NYSE: DRE) were raised to Market Perform from Underperform.
• Agilent (NYSE: A) was upgraded to Overweight from Equal Weight at Barclays.
• Cytec Industries (NYSE: CYT) was upgraded to Buy from Hold at KeyBanc.

Analyst upgrades:

• Baird upgraded Tenet Healthcare (NYSE: THC) to Outperform from Neutral and raised its target to $6 from $5 based on cost trends, valuation, and expectations the company can beat expectations over the next six months.
• Oppenheimer upgraded E-House (NYSE: EJ) to Outperform from Perform following the company's better-than-expected Q2 results. The firm has a price target of $27 on shares.
• JPMorgan upgraded Avery Dennison (NYSE: AVY) to Overweight from Neutral and has a $33 target on the stock. The firm cites valuation for the upgrade following the recent underperformance and expects the company's margins to expand as demand rebounds.
• Citigroup (NYSE: C) was upgraded to Buy from Underperform at BofA/Merrill.
• Taubman Centers (NYSE: TCO) was upgraded to Conviction Buy from Buy at Goldman.
• First Niagara (NASDAQ: FNFG) was upgraded to Buy from Neutral at Janney Montgomery.

Analyst upgrades:

• Barclays upgraded Best Buy (NYSE:BBY) to Overweight from Equal Weight and raised their target to $35 from $28 citing the company's earnings power and free cash flow generation.
  
• William Blair upgraded St. Jude Medical (NYSE:STJ) to Outperform from Market Perform following the company's Q4 results on valuation and the company's "steady growth."
  
• Wunderlich upgraded Liberty Interactive (NASDAQ:LINTA) to Buy from Hold as they believe debt concerns are overdone. The firm thinks that language in the proxy statement for the Liberty Entertainment hard spin suggests that cash and cash flow from the stub Entertainment tracker could be used to provide inter-company support to Interactive. The firm raised their target to $5 from $4.25.
• Lloyds TSB Group (NYSE:LYG) was raised to Buy from Hold at Citigroup.
  
• BB&T (NYSE:BBT) was removed from Goldman's Conviction Sell List.
  
• Patni Computer (NYSE:PTI) was upgraded to Buy from Hold at KeyBanc.

MOST NOTEWORTHY: Advanced Micro Devices, Intel Corporation, Netscout Systems, Guidance Software and Nasdaq were today's noteworthy initiations:

• Morgan Stanley started shares of Advanced Micro Devices Inc (NYSE: AMD) and Intel Corporation (NASDAQ: INTC) with Underweight ratings and a $11 target and $22 target, respectively. The firm recommends selling shares of both as they expect an inventory correction and increasingly aggressive price environment.
  
• Kaufman Brothers initiated shares of Netscout Systems Inc (NASDAQ: NTCT) with a Buy rating and $13.50 target. The firm is positive on the Network General acquisition and believes successful integration as well as continued improvement in sales execution will drive shares higher.
  
• Roth Capital resumed coverage of Guidance Software Inc (NASDAQ: GUID) with a Buy rating and $15 target and said the company is the market leader for digital forensics and that new regulations have accelerated electronic discovery in the forensic market.
  
• Jefferies started shares of The Nasdaq Stock Market Inc (NASDAQ: NDAQ) with a Buy rating and $45 target and believes the company's relative underperformance over the past two years creates an attractive entry point as earnings are poised to accelerate.

OTHER INITIATIONS:

• Credit Suisse initiated the small-cap biotechnology sector, starting shares of Poniard Pharmaceuticals Inc (NASDAQ: PARD), Dyax Corp (NASDAQ: DYAX) and Dynavax Technologies Corporation (NASDAQ: DVAX) with Outperform ratings and targets of $9, $7 and $8, respectively.
  
• Broadpoint initiated Lululemon Athletica Inc (NASDAQ: LULU) with a Neutral rating.
  
• JP Morgan started shares of Vornado Realty Trust (NYSE: VNO) and Douglas Emmett Inc (NYSE: DEI) with Neutral ratings.

MOST NOTEWORTHY: Chipotle Mexican Grill (CMG) and Douglas Emmett (DEI) topped today's list of initiations.

• Chipotle Mexican Grill Inc. (NYSE:CMG) was initiated at Morgan Joseph with a Buy and $70 target, citing the restaurant's fast food unit growth, strong revenue growth and attractive valuation.
• Following its recent IPO, Douglas Emmett Inc. (NYSE:DEI) was initiated by several firms: at Merrill Lynch and Bank of America, with Neutral ratings; at A.G. Edwards and Citigroup, with Hold ratings; and at Lehman Bros., an Overweight rating.

OTHER INITIATIONS:

• Credit Suisse initiated Charles Schwab Corp. (NASDAQ:SCHW) with an Outperform rating and $24 target; the firm said Schwab's transformation is complete and growth should be driven by continued asset gathering, expense control and active capital management.
• Cowen started Akamai Technologies Inc. (NASDAQ:AKAM) with an Outperform rating, saying it believes Akamai dominates the CDN and ADN market and expects the company to continue to beat and raise guidance.
• RF Micro Devices Inc. (NASDAQ:RFMD) was initiated with an Underweight rating and Palm Inc. (NASDAQ:PALM) was initiated with an Equal Weight rating at Morgan Stanley.

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