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

• Sapient (SAPE) to outperform from market perform at Wells Fargo.
• Kroger (KR) to buy from neutral at UBS.
• Harman (HAR) to overweight from neutral and Deutsche Bank (DB) to neutral from underweight at JPMorgan.
• Savient (SVNT) to outperform from market perform at JMP Securities.
• LabCorp (LH) to buy from hold at Deutsche Bank.
• Optimer Pharm (OPTR) and Landstar System (LSTR) to outperform from neutral at RW Baird.
• Essex Property Trust (ESS) to buy from neutral at Janney Capital.
• Tyson Foods (TSN) to neutral from sell at Goldman.
• Host Hotels (HST) to outperform from sector perform at RBC Capital.
• SPX Corp. (SPW) to outperform from market perform at FBR Capital.

Analyst Upgrades

• SunTrust upgraded American Express (AXP) to buy from neutral with a $47 price target based on valuation.
• Argus upgraded Verizon (VZ) to buy from hold, with a $39 price target, citing valuation and the company's aggressive 4G LTE network upgrade. However, Bernstein downgraded the stock.
• BMO Capital upgraded Canadian Pacific (CP) to outperform from market perform, citing the company's cost reduction efforts, and raised its target for shares to $74 from $67.
• Agrium (AGU) was upgraded to sector outperformer from sector performer at CIBC.
• Novatel Wireless (NVTL) was upgraded to hold from sell at Canaccord.
• Essex Property Trust (ESS) was upgraded to neutral from sell at Goldman.

Analyst Upgrades

• Auriga upgraded Allscripts (MDRX) to buy from hold to reflect valuation and potential synergies from the company's pending merger with Eclipsys (ECLP). The firm upped its target price for shares to $20 from $19.
• SunTrust upgraded Newell Rubbermaid (NWL) to buy from neutral based on completion of its turnaround plan, stabilizing end markets and favorable comparisons. The firm has a $25 price target on the stock.
• Morgan Joseph upgraded C.R. Bard (BCR) to buy from hold based on valuation and upside to estimates from the share buyback program. The firm has a $97 price target on the stock.
• Shire (SHPGY) was upgraded to buy from hold at Lazard Capital.
• Onyx Pharma (ONXX) was upgraded to outperform from market perform at BMO Capital.
• AvalonBay (AVB) was upgraded to neutral from sell at UBS.

Analyst Upgrades

• Credit Suisse upgraded Blackrock (BLK) to outperform from neutral and added shares to its U.S. Focus List. The firm cites valuation for the upgrade. The firm raised its target to $280 from $270.
• Keefe Bruyette upgraded Greenhill & Co. (GHL) to outperform from market perform following the company's acquisition of Caliburn. The firm raised its price target for shares to $110 from $82.
• Deutsche Bank upgraded Athenahealth (ATHN) to buy from hold, citing the removal of the company's accounting overhang and a strong long-term outlook. The firm raised its price target for shares to $51 from $40.
• Ann Taylor (ANN) was upgraded to neutral from underperform at BofA/Merrill.
• Jacobs Engineering (JEC) was upgraded to sell from conviction sell at Goldman.
• Sterling Bancorp (STL) was upgraded to outperform from market perform at BMO Capital.

Analyst Upgrades

• Canaccord upgraded IBM (IBM) to buy from hold, citing the better-than-expected Q4 report, an ongoing economic recovery and higher IT budgets. The firm raised its target to $150 from $130.
• Citigroup upgraded Archer Daniels Midland (ADM) to buy from hold to reflect strength in the oilseed processing market and a positive inflection in ethanol profitability. The firm raised its target on shares to $37 from $33.
• FBR Capital upgraded Tesco (TESO) to outperform from market perform on expectations the company's top drive orders will accelerate in the coming quarters. The firm raised its target price on shares to $18.
• CBS (CBS) was upgraded to buy from hold at Jefferies.
• HSBC Holdings (HBC) was upgraded to buy from hold at RBS.
• Essex Property Trust (ESS) was upgraded to overweight from equal weight at Barclays.

Analyst upgrades:

• Citigroup upgraded Sunoco Logistics (NYSE: SXL) to Buy from Hold on valuation and raised its target on shares to $60 from $56.50. The firm sees better value in Sunoco Logistics than Enbridge Energy Partners (NYSE: EEP), which it downgraded to Hold.
  
• BofA/Merrill believes Raytheon (NYSE: RTN) offers the most potential upside in the larget cap defense sector. The firm upgraded shares to Buy from Neutral and has a $62 target on the stock.
  
• Roth Capital upgraded Nvidia (NASDAQ: NVDA) to Buy from Hold based on seasonality, multiple product cycles, and valuation. Roth's target remains $15.
• Oracle (NASDAQ: ORCL) was upgraded to Buy from Hold at Societe Generale.
  
• EnerNOC (NASDAQ: ENOC) was upgraded to Outperform from Neutral at RW Baird.
  
• American Express (NYSE: AXP) was upgraded to Neutral from Underweight at JP Morgan.
  

AMB Property (NYSE: AMB), a global developer and owner of industrial real estate, closed at $13.25 Wednesday. Goldman Sachs says: "We remain cautious on REITS." AMB December option implied volatility of 107 is above its 8-week average of 66 according to Track Data, suggesting larger price movement.

Essex Property Trust (NYSE: ESS), a REIT with the majority of real estate consisting of apartment communities, closed at $74.33 Wednesday. ESS December option implied volatility of 81 is above its 26-week average of 51 according to Track Data, suggesting larger price movement.

AvalonBay (NYSE: AVB), an owner or indirect owner of 178 apartment communities containing 50,370 apartment homes, closed at $55.03 Wednesday. AVB December option implied volatility of 83 is above its 26-week average of 54 according to Track Data, suggesting larger price movement.

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

MOST NOTEWORTHY: CAI International (CAP), ATS Corp (ATCT), Logitech International (LOGI) and Wireless Ronin (RNIN) were today's more noteworthy initiations:

• Piper Jaffray started CAI International (NYSE: CAP) with an Outperform rating and $18 target, believing the company is well positioned to capitalize on global trade growth. Jefferies started CAI Int'l with a Buy rating and $17 target.

• CRT Capital believes ATS Corp's (NASDAQ: ATCT) risks are offset by positive long-term fundamentals of the federal IT services sector and the company's experienced management team and started shares with a Buy rating and $5 target.

• Pacific Crest started Logitech International (NASDAQ: LOGI) with a Sector Perform rating based on valuation.

• ThinkEquity believes that Wireless Ronin Technologies (NASDAQ: RNIN) is exposed to one of the biggest open-ended growth opportunities in digital media today with its RoninCast application and started shares with a Buy rating...

OTHER INITIATIONS:

• Leerink Swann started Insulet Corp (NASDAQ: PODD) with an Outperform rating.

• Goldman started Essex Property Trust (NYSE: ESS) with a Neutral.

• Deutsche Bank and JP Morgan started Continental Resources (NYSE: CLR) with an Overweight rating, while Merrill Lynch started Continental Resources with a Buy rating.

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