MOST NOTEWORTHY: Progressive, Netflix and Public Service Enterprise Group were today's noteworthy upgrades:

• Wachovia upgraded Progressive (NYSE: PGR) to Market Perform from Underperform based on modest signs of improvement in underwriting trends.
  
• Lehman upgraded Netflix (NASDAQ: NFLX) to Overweight from Equal Weight based on strong core trends and a potential announcement of digital service partners into its May 28 investor day.
  
• Credit Suisse upgraded Public Service Enterprise Group (NYSE: PEG) to Outperform from Neutral based on earnings growth through utility investment, valuation, upside from U.S. CO2 policy.

OTHER UPGRADES:

• Precision Drilling (NYSE: PDS) was raised to Outperform from Sector Perform at RBC Capital.
  
• Hertz Global (NYSE: HTZ) was upgraded at Soleil to Buy from Hold.
  
• Calyon upgraded Foundation Coal (NYSE: FCL) and Arch Coal (ACI) to Add from Neutral.

MOST NOTEWORTHY: Jabil Circuit, Aircastle, Genesis Lease and P.F. Chang's were today's noteworthy downgrades:

• JP Morgan downgraded shares of Jabil Circuit (NYSE: JBL) to Underweight from Overweight following the lower-than-expected guidance, as they believe the company is seeing end market weakness in most of its markets. Shares were also downgraded at Thomas Weisel to Market Weight from Overweight and at Credit Suisse to Neutral from Outperform following the disappointing guidance.
  
• JP Morgan also downgraded shares of Aircastle (NYSE: AYR) and Genesis Lease (GLS) to Neutral from Overweight to reflect the continued credit and equity market challenges faced by both companies.
  
• Friedman Billings downgraded shares of P.F. Chang's (NASDAQ: PFCB) to Underperform from Market Perform as they believe 2008 will be a challenging year for all casual dining restaurant companies and that the valuation is expensive at current levels.

OTHER DOWNGRADES:

• Goldman added Foundation Coal (NYSE: FCL) to its Conviction Sell List.
  
• Collins Stewart cut SiRF Technology (NASDAQ: SIRF) to Hold from Buy.
  
• Elan Corp (NYSE: ELN) was downgraded to Sell from Hold at Canaccord Adams.

MOST NOTEWORTHY: First Data Corp (FDC), Molson Coors Brewing Co (TAP), MetLife, Inc (MET), GSI Commerce, Inc (GSIC) and Foundation Coal Holdings, Inc (FCL) were some of today's noteworthy downgrades:

• Citigroup cut First Data Corp (NYSE: FDC) to Hold from Buy and AG Edwards cut the Colorado-based Computer Services company to Hold from Buy, following the acquisition by KKR; AG Edwards also removed First Data from its Focus Portfolio.

• Bernstein downgraded Molson Coors Brewing Co (NYSE: TAP) to Market Perform from Outperform based on valuation.

• Goldman Sachs removed MetLife Inc (NYSE: MET) from its Conviction Buy List.

• Bear Stearns cut GSI Commerce (NASDAQ: GSIC) to Underperform from Outperform based on valuation.

• Matrix USA downgraded Foundation Coal Holdings Inc (NYSE: FCL) to Sell from Buy.

OTHER DOWNGRADES:

• Jefferies downgraded Novell, Inc (NASDAQ: NOVL) to Hold from Buy on valuation after yesterday's "April Fool's-inspired" rally as the firm believes upside from the initial Microsoft-(MSFT) driven SLES deals and restructuring are priced in.

• Stifel downgraded Pearson PLC (NYSE: PSO) to Hold from Buy on valuation.

• Benchmark downgraded ConocoPhillips (NYSE: COP) to Sell from Hold on valuation.

• Buckingham downgraded Diebold Inc (NYSE: DBD) to Neutral from Accumulate on valuation.

• CIBC downgraded Ipsco Inc (NYSE: IPS) to Sector Performer from Outperform based on valuation.

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