Analyst Upgrades

• Polo Ralph Lauren (RL) to neutral from underperform at BofA/Merrill.
• Sigma-Aldrich (SIAL) to outperform from market perform at Leerink.
• Petrobras (PBR) to overweight from equal weight at Barclays.
• Silvercorp Metals (SVM) to buy from neutral at UBS.
• PROS (PRO) to buy from hold at Jefferies.
• Power Integrations (POWI) and Monolithic Power (MPWR) to buy from neutral at Roth Capital.
• Diodes (DIOD) to outperform from neutral at RW Baird.
• Whole Foods (WFMI) to hold from sell at Hapoalim.
• Sinclair Broadcast (SBGI) to overweight from neutral at JPMorgan.
• Sappi (SPP) to outperform from neutral at Macquarie.
• Alpha Natural (ANR) to buy from hold at BB&T.
• Watts Water (WTS) to buy from hold at Brean Murray.

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:

• BMO Capital upgraded Intercontinental Exchange (ICE) to Outperform from Market Perform based on valuation and the company's growth outlook. The firm has a price target of $125 on the stock.
• Morgan Keegan upgraded WESCO (WCC) to Outperform from Market Perform ahead of Thursday's earnings report based on valuation and expectations for stronger than expected sales.
• Keefe Bruyette upgraded Bank of Marin (BMRC) to Outperform from Market Perform with a $40 price target following the company's Q2 results.
• BHP Billiton (BHP) was upgraded to Overweight from Equal Weight at Barclays.
• PPG Industries (PPG) was upgraded to Overweight from Equal Weight at Morgan Stanley.
• Schnitzer Steel (SCHN) was upgraded to Buy from Neutral at UBS.

Analyst Upgrades

• JPMorgan upgraded Tupperware (TUP) to overweight from neutral, but lowered its price target to $57 from $58. The firm cites valuation and organic growth for the upgrade.
• William Blair upgraded Computer Programs (CPSI) to outperform from market perform. The firm noted that the company's Systems bookings have significantly exceeded its Systems revenue in recent quarters while the firm thinks the company will benefit from accelerated EHR adoption by small hospitals in coming years.
• RBC Capital upgraded Questar (STR) to outperform from sector perform and raised its price target to $49 from $52. The firm believes the separation of QEP Resources from Questar will create shareholder value.
• Pinnacle Financial (PNFP) was upgraded to buy from hold at Wunderlich.
• Power Integrations (POWI) and Volterra (VLTR) were upgraded to strong buy from buy at Needham.
• Realty Income (O) was upgraded to neutral from underperform at Baird.

Analyst Upgrades

• Soleil upgraded Starwood Hotels (HOT) to buy from hold, citing accelerating RevPAR comps and valuation. The firm upped its target for shares to $57 from $55.
• TD Newcrest upgraded Ivanhoe Mines (IVN) to speculative buy from hold based on valuation.
• BMO Capital upgraded Power Integrations (POWI) and ON Semiconductor (ONNN) to outperform from market perform based on valuation. The firm has a $45 target on Power Integrations and a $9 target on ON Semiconductor.
• Priceline.com (PCLN) was upgraded to buy from neutral at Goldman.
• Reliance Steel (RS) was upgraded to buy from neutral at UBS.
• AXA (AXA) was upgraded to add from neutral at WestLB.
  

Analyst Upgrades

• RBC Capital upgraded Suncor (SU) to outperform from sector perform following the Q1 report and FY10 production guidance. The firm has a $46 target on the stock.
• Wells Fargo upgraded Clear Channel Outdoor (CCO) to outperform from market perform. The firm expects the company to report higher-than-expected Q1 revenue and guidance, as it thinks a late cycle ad recovery is occurring.
• Piper Jaffray upgraded Power Integrations (POWI) to overweight from neutral following the company's Q1 results and subsequent sell-off. The firm has a $43 price target for shares.
• ArcelorMittal (MT) was upgraded to buy from hold at ING Group.
• Sapient (SAPE) was raised to conviction buy from buy at Goldman and to buy from hold at Citigroup.
• Powerwave (PWAV) was upgraded to buy from hold at Befferies and to buy from neutral at Merriman.

Analyst upgrades:

• KeyBanc upgraded Greenbrier (NYSE: GBX) to Buy from Hold as it believes the company has options to forestall covenant violations or bankruptcy, event if conditions deteriorate further.
  
• Friedman Billings upgraded Whole Foods (NASDAQ: WFMI) to Market Perform from Underperform citing low expectations, favorable FTC settlement, progress on cost cutting, and valuation.
  
• JP Morgan believes First Merit (NASDAQ: FMER) is one of the best positioned Midwest banks to weather the storm and notes its compelling valuation and capital levels. The firm upgraded shares to Overweight from Neutral.
• Coca-Cola Enterprises (NYSE: CCE) was raised to Buy from Neutral at Goldman.
  
• Newell Rubbermaid (NYSE: NWL) was upgraded to Buy from Neutral at Banc of America/Merrill.
  
• Compass Minerals (NYSE: CMP) was lifted to Outperform from Perform at Oppenheimer.

Analyst upgrades:

• Citigroup upgraded shares of Akamai (NASDAQ: AKAM) to Buy from Hold following the company's Q4 results as they believe fundamentals are stabilizing. The firm raised their target price to $22 from $12.
  
• Baird upgraded Theravance (NASDAQ: THRX) to Outperform from Neutral. The firm said the company looks poised to realize the two-product success necessary to drive profitability, and Horizon will likely play a role in succeeding $7B+ Advair. Note that last night Theravance/Glaxo (GSK) reported positive results for Horizon.
  
• RBC Capital said Aeterna Zentaris (NASDAQ: AEZS) is on the cusp of a Cetrorelix deal and has turned more positive on shares. Shares were upgraded to Outperform from Sector Perform.
  
• Marvell Tech (NASDAQ: MRVL) was upgraded to Buy from Neutral at Goldman and added to the firm's Conviction Buy List.
  
• Sangamo BioSciences (NASDAQ: SGMO) was raised to Buy from Neutral at Merriman.
  
• Arthur J. Gallagher (NYSE: AJG) was upgraded at Piper Jaffray to Buy from Neutral.

Analyst upgrades:

• JMP Securities upgraded Vertex Pharma (NASDAQ: VRTX) to Outperform from Market Perform following better-than-expected interim data for telaprevir.
  
• Lazard Capital upgraded shares of Biogen Idec (NASDAQ: BIIB) to Buy from Hold on valuation after their physician survey indicated solid sales growth in the company's MS franchise.
  
• Calyon upgraded Data Domain (NASDAQ: DDUP) to Add from Neutral based on positive channel checks and valuation.
• Goldman added Buckeye GP (NYSE: BGH) to the Conviction Buy List.
  
• Alcatel-Lucent (NYSE: ALU) was upgraded to Hold from Sell and Ericsson (NASDAQ: ERIC) was raised to Hold from Reduce at WestLB.
  
• Keefe Bruyette upgraded Cowen Group (NASDAQ: COWN) to OUtperform from Market Perform.

Analyst downgrades:

• Deutsche Bank downgraded shares of Lloyds TSB Group (NYSE: LYG) to Sell from Hold as they believe loan loss risk will outweigh synergies from the acquisition of HBOS (HBOOY).
  
• Citigroup downgraded shares of National Financial Partners (NYSE: NFP) to Hold from Buy and removed the stock from the Top Picks Live List after the company announced July and August revenues and said pressure continues. The firm lowered their target to $20 from $28.

MOST NOTEWORTHY: Semiconductors, ADC Telecomm and Nationwide Financial were today's noteworthy upgrades:

• Banc of America upgraded the Semiconductor Sector to Overweight from Market Weight citing indications of a bottom given earnings estimate revision momentum and supply chain inventory levels. The firm upgraded Intel (NASDAQ:INTC), Power Integrations (NASDAQ:POWI) and Semtech (NASDAQ:SMTC) to Buy from Neutral and PMC Sierra (NASDAQ:PMCS) and LSI Corp (NYSE:LSI) to Neutral from Sell.
  
• Deutsche Bank upgraded shares of ADC Telecomm (NASDAQ:ADCT) to Buy from Hold as they believe April consensus estimates could prove conservative.
  
• UBS raised Nationwide Financial (NYSE::NFS) to Buy from Neutral and believes a higher offer by Nationwide Mutual is likely.

OTHER UPGRADES:

• Halliburton (NYSE:HAL) was upgraded to Buy from Neutral at Goldman.
  
• Westlate Chemical (NYSE:WLK) was raised to Overweight from Equal Weight at Morgan Stanley.