Analyst upgrades:

• Goldman upgraded Aeropostale (ARO) to neutral from sell. The firm, which has a $34 target on the stock, cites the recent sell-off in shares for the upgrade.
• Janney Montgomery upgraded Consolidated Water (CWCO) to buy from neutral on valuation and on expectations the company's earnings will recover in 2010. The firm has a $15 target on the stock.
• Wunderlich upgraded Transmontaigne Partners (TLP) to buy from hold on valuation as it believes the sell-off on the company's Q3 results is overdone. The firm keeps a $26.50 price target on the stock.
• Mobile TeleSystems (MBT) was upgraded to buy from neutral at UBS.
• HSBC (HBC) was raised to buy from hold at Societe Generale.
• Redwood Trust (RWT) was upgraded to outperform from market perform at JMP Securities.

Analyst upgrades:

• Kaufman Bros. upgraded American Superconductor (NASDAQ: AMSC) to Buy from Hold as it believes the follow-on contract from Sinovel has positive implications. The firm has a $36 price target on shares.
• Goldman upgraded Nike (NYSE: NKE) to Buy from Neutral citing valuation, visible long-term growth, and signs of sales stabilization. The firm has a $75 target on shares.
• Deutsche Bank upgraded Huntington Bancshares (NASDAQ: HBAN) to Buy from Hold on valuation following the recent underperformance. The firm raised its target on shares to $5.50 from $4.
• Novartis (NYSE: NVS) was upgraded to Buy from Hold at Citigroup.
• eHealth (NASDAQ: EHTH) was upgraded to Buy from Accumulate at ThinkEquity.
• China Precision Steel (NASDAQ: CPSL) was upgraded to Hold from Sell at Roth Capital.

Analyst upgrades:

• Piper Jaffray upgraded PetMed Express (NASDAQ: PETS) to Overweight from Neutral following the better-than-expected Q1 results. The firm raised its target on shares to $22 from $19.
• Deutsche Bank upgraded International Paper (NYSE: IP) and Packaging Corp. (NYSE: PKG) to Buy from Hold to reflect stabilization in the containerboard industry. The firm raised its target price on Packaging Corp. to $24 from $14, and on International Paper to $24 from $16.
• Bernstein upgraded Human Genome Sciences (NASDAQ: HGSI) to Outperform from Market Perform following the positive Phase III data for Benlysta in lupus.
• IBM (NYSE: IBM) was upgraded to Hold from Sell at Societe Generale.
• British Airways (OTC: BAIRY) was upgraded to Buy from Sell at Goldman.
• Continental AG (OTC: CTTAY) was upgraded to Hold from Sell at Citigroup.

Analyst upgrades:

• Citigroup upgraded Expedia (NASDAQ: EXPE) to Buy from Hold as they believe the company's fee elimination coupled with 2009 industry trends could lead to market share gains and that the valuation is compelling at current levels. Citigroup raised its price target to $14 from $9 on EXPE shares.
  
• Credit Suisse upgraded Lukoil (OTC: LUKOY) to Outperform from Neutral as it believes lower taxes and the ruble's decline will increase profitability.
  
• Soleil upgraded Jo Ann Stores (NYSE: JAS) to Buy from Hold as it believes the company's sales results in the first half of 2009 could top expectations. The firm raised its target price to $20 from $16.
• Johnson & Johnson (NYSE: JNJ) was upgraded to Buy from Neutral at UBS.
  
• Bayer AG (OTC: BAYRY) was lifted to Buy from Neutral at Banc of America/Merrill.
  
• ManTech (NASDAQ: MANT) was raised at Wachovia to Outperform from Market Perform.

MOST NOTEWORTHY: Pfizer, Dell, Quest Diagnostics, and Societe Generale were today's noteworthy upgrades:

• Lehman upgraded Pfizer (NYSE: PFE) to Equal Weight from Underweight on valuation.
  
• Friedman Billings raised Dell (NASDAQ: DELL) to Outperform from Market Perform, citing expectations for improved margins next quarter, and valuation.
  
• Quest Diagnostics (NYSE: DGX) was upgraded to Outperform from Neutral by Credit Suisse, which cited valuation.
  
• Lehman upgraded shares of Societe Generale (OTC: SCGLY) to Overweight from Underweight to reflect a potential takeover by BNP Paribas and limited downside.

OTHER UPGRADES:

• Bayer (OTC: BAYRY) was raised to Overweight from Equal Weight by Lehman.
• Deutsche Telekom (NYSE: DT) was upgraded to Hold from Sell by Citigroup.
• Public Storage (NYSE: PSA) was raised to Buy from Hold by Deutsche Bank.
• UBS raised Entergy (NYSE: ETR) to Buy from Neutral.

MOST NOTEWORTHY: The coal sector, independent refiners and Alexion Pharmaceuticals were today's noteworthy downgrades:

• Goldman downgraded the coal sector to Cautious from Neutral, citing valuations and expectations for lower coal prices. The firm downgraded CONSOL Energy (NYSE: CNX) Peabody Energy (NYSE: BTU) to Neutral from Buy and Arch Coal (NYSE: ACI) to Sell from Neutral.
  
• Lehman downgraded independent refiners, including Alon USA Energy (NYSE: ALJ), to Negative from Neutral and continues to believe that 2H07 marked an inflection point for U.S. refiners, which are transitioning from a multiyear up-cycle into a new downtrend.
  
• Alexion Pharmaceuticals (NASDAQ: ALXN) was lowered to Market Perform from Outperform at Wachovia following the company's Q4 results, as they believe management's revenue guidance represents a best-case scenario.

OTHER DOWNGRADES:

• Lehman lowered Bayer (OTC: BAYRY) to Equal Weight from Overweight and Whole Foods (NASDAQ: WFMI) to Underweight from Equal Weight.