Analyst upgrades:

• Deutsche Bank upgraded shares of Camden Property (NYSE: CPT) to Hold from Sell on valuation and believes the company has improved its liquidity position. Despite the upgrade, the firm lowered its target price to $21 from $25.
  
• Goldman added Best Buy (NYSE: BBY) to its Conviction Buy List as it is now the sole dominant retailer in consumer electronics and expects Best Buy's margins to benefit from Circuit City's demise.
  
• Molson Coors (NYSE: TAP) was upgraded to Overweight from Neutral at JP Morgan as it finds the valuation attractive and sees a number of long-term fundamental positive catalysts. The firm has a $47.50 target on shares.
• United Rentals (NYSE: URI) and Illinois Tool Works (NYSE: ITW) were upgraded to Buy from Neutral at UBS.
  
• ProLogis (NYSE: PLD) was upgraded to Buy from Neutral at Banc of America/Merrill.

Analyst downgrades:

• Oppenheimer downgraded Global Traffic Network (NASDAQ: GNET) to Perform from Outperform following the company's weaker than expected Q2 results and lowered its target price to $6.25 from $7.
  
• Friedman Billings downgraded BankAtlantic (NYSE: BBX) to Underperform from Market Perform to reflect the deterioration of both the company's credit and capital in Q4. The firm lowered its target price to $1 from $5.
  
• RBC Capital downgraded AbitibiBowater (NYSE: ABH) to Underperform from Sector Perform and lowered its target to 50 cents from $2.00 following the company's debt refinancing announcement.
• Lions Gate (NYSE: LGF) was cut to Market Weight from Overweight at Thomas Weisel.
  
• Ctrip.com (NASDAQ: CTRP) was downgraded at Goldman to Sell from Neutral.
  
• Molson Coors (NYSE: TAP) was downgraded to Neutral from Buy at Banc of America/Merrill.

Analyst initiations:

• Oppenheimer initiated Chattem (NASDAQ: CHTT) with an Outperform rating and believes the company's business model is well suited for the current uncertain consumer environment. The firm has an $80 target on the stock.
• Freeport McMoRan (NYSE: FCX) was initiated at BMO Capital with a Market Perform rating and $30 target.
  
• Anglo American (NASDAQ: AAUK) was assumed with a Sell rating at Societe Generale.
  
• Yamana Gold (NYSE: AUY) was started at UBS with a Buy rating.

J.P. Morgan downgraded Murphy Oil (NYSE: MUR) from "neutral" to "underweight," according to Briefing.com. The news service writes that Frontier Oil (NYSE: FTO) was downgraded to "neutral" from "buy" at Goldman Sachs.

Briefing.com writes that AbitibiBowater (NYSE: ABH) started as Outperform at RBC Capital Markets. The website also reports that Macrovision (NASDAQ: MVSN) was raised to Buy at Piper Jaffray

MOST NOTEWORTHY: Taubman Centers, AstraZeneca and Blue Nile were today's noteworthy initiations:

• Friedman Billings believes Taubman Centers (NYSE: TCO) is very well positioned with its upscale regional malls and lifestyle centers to weather the current challenges in the current retail environment. Shares were assumed with an Outperform rating and $64 target.
  
• JP Morgan initiated AstraZeneca (NYSE: AZN) with a Neutral rating. The firm expects investor confidence in the coming months to improve as expectations are AZN's pipeline is low.
  
• Deutsche Bank finds Blue Nile (NASDAQ: NILE) fairly valued given the challenging economic environment and rising commodity prices and initiated shares with a Hold rating and $48 target.

OTHER INITIATIONS:

• Wachovia started American Water Works (NYSE: AWK) with a Market Perform rating.
  
• Heartland Payment (NYSE: HPY) was assumed with a Buy rating and $33 target at Citigroup.
  
• Goldman resumed coverage of AbitibiBowater (NYSE: ABH) with a Neutral rating.

MOST NOTEWORTHY: AbitibiBowater, GlaxoSmithKline, AstraZeneca and Capital One were today's noteworthy downgrades:

• Lehman downgraded AbitibiBowater (NYSE: ABH) to Equal Weight from Overweight citing dilution from the recent $350M convertible offering, cost pressures, and a more cautious outlook near-term for pulp markets.
  
• JP Morgan cut GlaxoSmithKline (NYSE: GSK) and AstraZeneca (NYSE: AZN) to Underweight from Neutral on long-term earnings growth concerns.
  
• Keefe Bruyette lowered Capital One (NYSE: COF) to Underperform from Market Perform to reflect the company's credit outlook.

OTHER DOWNGRADES:

• Nokia (NYSE: NOK) was downgraded to Neutral from Buy at UBS and to Underweight from Overweight at JP Morgan.
  
• Textron (NYSE: TXT) was cut at Credit Suisse to Neutral from Outperform.
  
• Merriman downgraded Blue Coat Systems (NASDAQ: BCSI) to Neutral from Buy.

MOST NOTEWORTHY: Nokia, Thornburg Mortgage and AbitibiBowater were today's noteworthy upgrades:

• Oppenheimer upgraded shares of Nokia (NYSE: NOK) to Outperform from Perform on valuation following the recent weakness, as their checks indicate demand remains solid. WestLB raised Nokia to Buy from Add on valuation, as they believe concerns about Chinese demand are overdone.
  
• Bear believes Thornburg Mortgage (NYSE: TMA) is much more likely to survive given liquidity from the Fed's Term Securities Lending Facility. Bear upgraded Thornburg to Peer Perform from Underperform.
  
• BMO Capital upgraded AbitibiBowater (NYSE: ABH) to Market Perform from Underperform citing the company's $496M private debt exchange offer.

OTHER UPGRADES:

• JMP raised Cash America (NYSE: CSH) to Outperform from Market Perform.
  
• Veolia Environment (NYSE: VE) was upgraded to Buy from Neutral at Goldman.
  
• Deutsche Bank raised Groupe Danone (OTC: GDNNY) to Buy from Hold.

MOST NOTEWORTHY: AbitibiBowater, Zumiez and VeraSun Energy were today's noteworthy upgrades:

• RBC Capital upgraded AbitibiBowater (NYSE:ABH) to Outperform from Sector Perform and said capacity reductions were double what they expected.
  
• Susquehanna upgraded Zumiez (NASDAQ:ZUMZ) to Positive from Neutral based on solid underlying business trends.
  
• Soleil raised its rating on VeraSun Energy (NYSE:VSE) to Hold from Sell, as they are positive on the merger with US BioEnergy (NASDAQ:USBE).

OTHER UPGRADES:

• Goldman upgraded the U.S. steel sector to Attractive from Neutral and upgraded Olympic Steel (NASDAQ:ZEUS) to Buy from Neutral.
  
• The firm also added Nucor (NYSE:NUE) to its Conviction Buy List.
  
• Varian Semi (NASDAQ:VSEA) was raised to Overweight from Market Weight at Thomas Weisel.

MOST NOTEWORTHY: FreeSeas, Nektar, Altus Pharmaceuticals and AbitibiBowater were today's noteworthy initiations:

• Cantor initiated shares of FreeSeas (NASDAQ: FREE) with a Buy rating and $10 target, as they expect the company to benefit from the continued strength in the dry bulk market.
  
• JP Morgan resumed coverage of Nektar (NASDAQ: NKTR) with an Overweight rating, as they view weakness from the discontinuation of Exubera as a buying opportunity given the company's base royalty business and pipeline opportunities.
  
• Altus Pharmaceuticals (NASDAQ: ALTU) was initiated with a Buy rating and $19 target at Jefferies. The firm expects news flow from the company's two lead products over the next 6-12 months that should act as catalysts.
  
• AbitibiBowater (NYSE: ABH) was initiated with a Sell rating and $18 target at Banc of America, as they are cautious on newsprint trends; the firm recommends reducing existing positions.

OTHER INITIATIONS:

• Caris initiated Collective Brands (NYSE: PSS) with an Average rating and $18 target and Under Armour (NYSE: UA) with an Above Average rating.
  
• Stifel started shares of Patriot Coal (NYSE: PCX) with a Hold rating.
  
• PetroChina (NYSE: PTR) was initiated with a Sell rating at Goldman.

MOST NOTEWORTHY: The medical supplies and devices sector, East West Bancorp, Tempur Pedic and AbitibiBowater were today's noteworthy initiations:

• Credit Suisse initiated the medical supplies and devices sector with a Market Weight rating and started shares of Edwards Lifesciences (NYSE: EW) and Becton, Dickinson and Co (NYSE: BDX) with Outperform ratings and Medtronic (NYSE: MDT) and Boston Scientific (NYSE: BSX) with Neutral ratings.
  
• East West Bancorp (NASDAQ: EWBC) was initiated with a Buy rating and $36 target at B. Riley; the firm's target implies a 23.1% potential total return over the next twelve months including the stock's 1.35% dividend yield.
  
• Tempur Pedic (NYSE: TPX) was started with an Outperform rating at William Blair, as they find the current valuation attractive for long-term investor given the company's strong position in the specialty sleep products.
  
• Deutsche Bank resumed coverage of AbitibiBowater (NYSE: ABH) with a Hold rating and $29 target, citing the strength of the Canadian dollar and difficult newsprint fundamentals.

OTHER INITIATIONS:

• Banc of America initiated shares of JA Solar (NASDAQ: JASO) and Trina Solar (NYSE: TSL) with Buy ratings and targets of $73 and $76, and initiated Horizon Lines (NYSE: HRZ) and Solarfun Power (NASDAQ: SOLF) with Neutral ratings and targets of $34 and $14.