Analyst upgrades:

• Baird expects Thor Industries (NYSE: THO) to benefit from industry consolidation and the eventual recovery. Shares were upgraded to Neutral from Underperform.
  
• Jefferies upgraded SPSS Inc. (NASDAQ: SPSS) to Buy from Hold on valuation and believes the company's cost cuts will be positive for EPS. The company's target was lowered to $28 from $29.
  
• Banc of America upgraded shares of Entergy (NYSE: ETR) to Buy from Neutral on valuation and believes the company is unlikely to spin-off Enexus by year-end. They believe a spin-off in 2009 or no spin at all suggests a higher share price from current levels. The company's target was raised to $104 from $101.50.
• AMN Healthcare (NYSE: AMN) was upgraded to hold from Sell at Citigroup.
  
• Argus upgraded Choice Hotels (NYSE: CHH) to Hold from Sell.
  
• Transdigm Group (NYSE: TDG) was lifted to Buy from Neutral at UBS.

Analyst downgrades:

MOST NOTEWORTHY: Aerospace stocks, WuXi Pharma, Myriad Genetics, Cypress Bioscience and Knology were today's noteworthy initiations:

• LYON initiated shares of aerospace stocks including Goodrich Corporation (NYSE: GR), TransDigm Group Inc (NYSE: TDG) and Triumph Group Incorporated (NYSE: TGI) with Add ratings and a $74 target, $45 target and $90 target, respectively.
  
• WuXi Pharmatech (NYSE: WX) was started with a Hold rating and $29 target at Jefferies on valuation. JP Morgan started shares with a Neutral rating and Credit Suisse initiated shares with an Outperform rating.
  
• Myriad Genetics Inc (NASDAQ: MYGN) was started with a Hold rating and $50 target at Citigroup, as the firm is cautious on the Phase III Flurizan results and does not recommend putting new money here at these levels.
  
• Citigroup also initiated shares of Cypress Biosciences Inc (NASDAQ: CYPB) with a Buy rating and $22 target as the firm believes Milnacipran has sufficient database for approval and is capable of gaining meaningful market share as firstline therapy.
  
• Knology Inc (NASDAQ: KNOL) was initiated with a Buy rating and $25 target at BWS Financial, as the firm believes the company's growth potential is greater than other cable companies through a business plan that allows it to have operations in all regions of the U.S.

OTHER INITIATIONS:

• Wachovia resumed coverage of Liberty Media Corporation (NASDAQ: LCAPA) with an Outperform rating.
  
• Northwest Airlines Corporation (NYSE: NWA) and Delta Air Lines Inc (NYSE: DAL) were initiated with Overweight ratings at JP Morgan.
  
• Thomas Weisel started shares of Tyco Electronics (NYSE: TEL) with a Market Weight rating.
  
• Goldman initiated shares of Electronic Arts Inc (NASDAQ: ERTS) and Activision Inc (NASDAQ: ATVI) with Buy ratings and THQ Inc (NASDAQ: THQI) with a Neutral rating.