Analyst Upgrades

• Interpublic Group (IPG) to buy from hold at Deutsche Bank.
• Radware (RDWR) to outperform from perform at Oppenheimer.
• Fluor (FLR) and Waddell & Reed (WDR) to buy from hold, as well as AllianceBernstein (AB) to hold from sell, at Citigroup.
• MetroCorp (MCBI) and American Capital (AGNC) to outperform from market perform at Keefe Bruyette.
• International Flavors (IFF) to overweight from equal weight at Barclays.
• BioCryst (BCRX) and Southern Company (SO) to buy from neutral at BofA/Merrill.
• Bunge (BG) to overweight from neutral at HSBC.

MOST NOTEWORTHY: The ethanol sector, BT Group, AMR Corp and Kyphon were today's noteworthy downgrades:

• Friedman Billings downgraded Aventine Renewable Energy (NYSE: AVR) and Pacific Ethanol Inc (NASDAQ: PEIX) to Underperform and VeraSun Energy Corporation (NYSE: VSE) was downgraded to Market Perform from Outperform. The firm said the ethanol market has become increasingly challenging as spot market prices have declined by 30% in the past few months and expect pressure to remain through 2008 as the industry's growing pains continue.
  
• Morgan Stanley downgraded shares of BT Group (NYSE: BT) to Underweight from Equal Weight on valuation and regulation uncertainty ahead of Ofcom's first consultation document next week.
  
• AMR Corporation (NYSE: AMR) was downgraded to Sell from Neutral at Goldman to reflect the company's U.S. exposure as they expect the U.S. economy to slow.
  
• Banc of America downgraded shares of Kyphon Inc (NASDAQ: KYPH) to Neutral from Buy on valuation as the spread on the acquisition by Medtronic Inc (NYSE: MDT) has now narrowed.

OTHER DOWNGRADES:

• Pepsi Bottling Group Inc (NYSE: PBG) was downgraded to Market Perform from Outperform at Bernstein.
  
• Oppenheimer downgraded Signature Bank (NASDAQ: SBNY) to Neutral from Buy.
  
• ThinkEquity downgraded BioCryst Pharmaceuticals (NASDAQ: BCRX) to Accumulate from Buy.
  
• Merrill Lynch downgraded Luxottica Group (NYSE: LUX) to Neutral from Buy.