MOST NOTEWORTHY: RAM Holdings, State Street and Ericsson were today's noteworthy downgrades:

• Banc of America downgraded shares of RAM Holdings (NASDAQ: RAMR) to Neutral from Buy as they believe the company could have increasing loss provisions related to RMBS and CDO exposure over the next several quarters.
  
• State Street (NYSE: STT) was cut to Market Perform from Outperform at Keefe Bruyette on valuation and difficult comparisons in the second half of 2008.
  
• HSBC downgraded Ericsson (NASDAQ: ERIC) to Neutral from Overweight and prefers Nokia (NYSE: NOK) at current levels.

OTHER DOWNGRADES:

• Bear cut Quintana Maritime (NASDAQ: QMAR) to Peer Perform from Outperform.
  
• Goldman downgraded Lukoil (OTC: LUKOY) to Neutral from Buy.
  
• UBS downgraded Aflac (NYSE: AFL) to Neutral from Buy.

MOST NOTEWORTHY: The ocean shippers sector, Tesoro, Siemens AG and MGI Pharma were today's noteworthy upgrades:

• Bear Stears upgraded the ocean shippers sector to Market Weight from Market Underweight, citing higher day rates in the dry bulk market. The firm sees potential upside for dry bulk firms Eagle Bulk Shipping (NASDAQ: EGLE), Quintana Maritime Limited (NASDAQ: QMAR) and Ultrapetrol Ltd (NASDAQ: ULTR).
  
• Bernstein raised shares of Tesoro Corporation (NYSE: TSO) to Outperform from Market Perform and expects a rebound in West Coast refining margins.
  
• ING upgraded shares of Siemens AG (NYSE: SI) to Buy from Hold on valuation and the possibility the company may exit businesses.
  
• MGI Pharma (NASDAQ: MOGN) was upgraded at JP Morgan to Overweight from Neutral, citing expectations for a strong Q3, Aloxi re-acceleration, Dacogen growth, and Auqavan opportunity.

OTHER UPGRADES:

• UBS upgraded shares of Agnico-Eagle (NYSE: AEM) to Buy from Neutral.
  
• Banc of America upgraded Everest RE Group (NYSE: RE) and PartnerRe (NYSE: PRE) to Buy from Neutral.
  
• Calamos Asset Management (NASDAQ: CLMS) was upgraded to Neutral from Sell at Goldman Sachs.