Analyst Upgrades

• Polo Ralph Lauren (RL) to buy from hold at Citigroup.
• Qualcomm (QCOM) to buy from neutral at Roth Capital.
• Walgreen (WAG) to conviction buy from neutral at Goldman.
• Rockwell (ROK) to outperform from neutral at Credit Suisse.
• Carnival (CCL) to buy from hold at Deutsche Bank.
• SunTrust (STI) and TD Bank (TD) to outperform from market perform at Keefe Bruyette.
• Hawaiian Electric (HE) to outperform from neutral at RW Baird.
• Essex Property Trust (ESS) to outperform from neutral at Macquarie.
• Amgen (AMGN) to neutral from underperform at BofA/Merrill.

Analyst Upgrades

• Wells Fargo upgraded Home Properties (HME) to outperform from market perform. The firm thinks that rental rate in the Northeast and mid-Atlantic are poised to increase, while Home Properties provides relatively cheap access to these markets.
• Deutsche Bank upgraded VeriSign (VRSN) to buy from hold after the company sold its authentication business to Symantec (SYMC). The firm upped its target for VRSN shares to $35 from $25.
• Macquarie upgraded Nexen (NXY) to outperform from neutral following the company's divestiture of its noncore heavy-oil properties in Western Canada.
• UPS (UPS) was upgraded to buy from hold at Stifel Nicolaus.
• Dell (DELL) was upgraded to buy from hold at Standpoint Research.
• Emerson Electric (EMR) was upgraded to outperform from market perform at Bernstein.

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Analyst upgrades:

• Citigroup upgraded Cooper Industries (NYSE: CBE) to Buy from Hold on valuation as it believes commercial construction concerns are well known. The firm raised its target on shares to $40 from $37, and coupled the upgrade with a downgrade of Rockwell Automation (NYSE: ROK) to Sell from Hold.
• Credit Suisse upgraded BJ Services (NYSE: BJS) to Neutral from Underperform following its acquisition by Baker Hughes (NYSE: BHI). The firm raised its target to $17.
• Credit Suisse also upgraded Amkor Technology (NASDAQ: AMKR) to Outperform from Neutral and raised its target to $8 from $7. The firm expects Amkor to benefit from near-term strength in the supply chain and the mix shift towards higher value packaging.
• Textron (NYSE: TXT) was upgraded to Conviction Buy from Neutral at Goldman.
• Siemens (NYSE: SI) was upgraded to Neutral from Sell at UBS.
• Stanley Works (NYSE: SWK) was upgraded to Buy from Neutral at Janney Montgomery.

InterDigital (NASDAQ: IDCC) closed at $27.96. IDCC is scheduled to report Q2 EPS after the market close on July 28. August option implied volatility is at 62; September is at 53; near its 26-week average of 58; according to Track Data, suggesting decreasing price movement after EPS.

Rockwell (NYSE: ROK) closed at $39.61. ROK is expected to report Q3 EPS before the market open on July 30. ROK August option implied volatility is at 57, October is at 45; below 26-week of 59 according to Track Data, suggesting decreasing price movement after EPS.

Option Update is provided by Stock Specialist Paul Foster of theflyonthewall.com

MOST NOTEWORTHY:

• JP Morgan downgraded Rockwell Automation Inc (NYSE: ROK) to Neutral from Overweight based on valuation, as the firm believes the recent credit market turbulence could make a material recapitalization less likely.
  
• Bear Stearns downgraded shares of Barclays (NYSE: BCS) to Underperform from Peer Perform on valuation and expectations for losses in the company's Capital division.
  
• Nollenberger downgraded shares of F5 Networks Inc (NASDAQ: FFIV) to Neutral from Buy, as they believe the company is transitioning from a "beat and raise" story to a "meet and maintain" story given the recent disruptions in the financial services sector and slowing growth in active web hosts on the net. The firm also downgraded shares of Foundry Networks Inc (NASDAQ: FDRY) to Neutral from Buy on valuation, seeing a well balanced risk/reward profile at current levels.
  
• Soleil downgraded shares of AMR Corporation (NYSE: AMR) to Hold from Buy to reflect the company's deteriorating revenue and non-fuel cost outlook.
  
• Red Hat Inc (NYSE: RHT) was downgraded to Neutral from Outperform at Credit Suisse, citing lack of progress in execution.

• LDK Solar (NYSE: LDK) was downgraded at CIBC to Sector Performer from Outperformer.
  
• Friedman Billings downgraded Parker Hannifin Corporation (NYSE: PH) to Market Perform from Outperform.
  
• Morgan Keegan downgraded Cree Inc (NASDAQ: CREE) to Market Perform from Outperform.

MOST NOTEWORTHY:

• PSS World Medical (NASDAQ: PSSI) was upgraded to Outperform from Neutral at Robert W. Baird. Baird said the quarter was impacted by one-time items and that core operations remain strong while private label, home care and HCIT initiatives may contribute to substantial margin improvement.
  
• Friedman Billings added Rockwell Automation (NYSE: ROK) to its Top Picks list based on valuation and growth drivers.
  
• Merrill Lynch upped shares of Open Text Corporation (NASDAQ: OTEX) to Neutral from Sell. Kaufman Brothers upgraded shares of the stock to Buy from Hold with a $27 target to reflect the company's better-than-expected Q4 results.
• Sanderson Farms Inc (NASDAQ: SAFM) was upgraded to Strong Buy from Strong Sell on valuation and accelerating sales of the company's poultry products.
  
• The firm upgraded shares of Mentor Corporation (NYSE: MNT) to Buy from Sell given the company's good performance and low risk.

• Cache Inc (NASDAQ: CACH) was upgraded to Buy from Neutral with a $19 target at First Albany and to Outperform from Market Perform at Piper Jaffray.
  
• Gabelli upgraded shares of Diageo (NYSE: DEO) to Buy from Hold.
  
• RBC Capital Markets raised shares of Knology Inc (NASDAQ: KNOL) to Outperform from Sector Perform.
  
• Goldman Sachs upgraded shares of Maxygen Inc (NASDAQ: MAXY) to Neutral from Sell.

MOST NOTEWORTHY:

• Morgan Stanley downgraded CACI International (NYSE: CAI) and SAIC Inc (NYSE: SAI) to Underweight from Equal Weight to reflect concerns over an increasingly unfavorable political environment as the risk of reduced funding for federal IT initiatives grows.

• Soleil downgraded shares of CenturyTel (NYSE: CTL) to Sell from Hold on valuation and a possibly active hurricane season.

• Honda Motor Co (NYSE: HMC) was cut to Neutral from Buy at Merrill Lynch.

• Micron Technology (NYSE: MU) was downgraded to Sell from Neutral at Goldman Sachs as the firm believes improvements in DRAM pricing will be short lived and that the company will continue to generate losses given its poor cost structure.

• CSX Corp (NYSE: CSX) was downgraded to Reduce from Neutral at Calyon on valuation and deteriorating volume.

• Rockwell Automation (NYSE: ROK) was cut to Neutral from Overweight at JP Morgan.

• Inverness Medical Innovations, Inc (AMEX: IMA) was downgraded to Hold from Buy at Stifel.

• WebSideStory, Inc (NASDAQ: WSSI) was downgraded to Sector Perform from Outperform at RBC, citing short-term execution risks.

• Jefferies downgraded Cerner Corp (NASDAQ: CERN) to Hold from Buy.