Analyst upgrades:

• Kaufman Bros. upgraded American Superconductor (NASDAQ: AMSC) to Buy from Hold as it believes the follow-on contract from Sinovel has positive implications. The firm has a $36 price target on shares.
• Goldman upgraded Nike (NYSE: NKE) to Buy from Neutral citing valuation, visible long-term growth, and signs of sales stabilization. The firm has a $75 target on shares.
• Deutsche Bank upgraded Huntington Bancshares (NASDAQ: HBAN) to Buy from Hold on valuation following the recent underperformance. The firm raised its target on shares to $5.50 from $4.
• Novartis (NYSE: NVS) was upgraded to Buy from Hold at Citigroup.
• eHealth (NASDAQ: EHTH) was upgraded to Buy from Accumulate at ThinkEquity.
• China Precision Steel (NASDAQ: CPSL) was upgraded to Hold from Sell at Roth Capital.

Analyst upgrades:

• B. Riley upgraded Finish Line (NASDAQ: FINL) to Buy from Neutral to reflect the potential for improving trends in second half of 2009. The firm raised its target on shares to $10.50 from $9.
• Merriman upgraded OptionXpress (NASDAQ: OXPS) to Neutral from Sell following the company's better than expected Q2 results. The firm notes higher commissions per trade more than offset weak DARTs and the decline in customer additions in the quarter.
• RBC Capital upgraded Gardner Denver (NYSE: GDI) to Outperform from Sector Perform and raised its target to $34 from $28 citing the additional scale of restructuring, better tone to end-markets, and few downside catalysts. Baird upgraded Gardner Denver to Outperform from Neutral and raised its target to $35 from $32 based on a bottom in fundamentals and compelling valuation.
• BE Aerospace (NASDAQ: BEAV) was upgraded to Outperform from Market Perform at FBR Capital.
• Shire (NASDAQ: SHPGY) was upgraded to Perform from Underperform at Oppenheimer.
• UnitedHealth (NYSE: UNH) was upgraded to Outperform from Neutral at Credit Suisse.

Analyst upgrades:

• Goldman upgraded Applied Materials (NASDAQ: AMAT) to Buy from Sell and added shares to its Conviction Buy List citing valuation. The firm also upgraded the Semiconductor Capital Equipment Sector to Attractive.
  
• Morgan Keegan believes Cisco Systems (NASDAQ: CSCO) will emerge from the slowdown as a stronger company with greater market share and expansion into adjacent markets. Shares were upgraded to Outperform from Market Perform.
• Pfizer (NYSE: PFE) was upgraded to Overweight from Equal Weight at Barclays.
  
• Daimler (NYSE: DAI) was upgraded at UBS to Neutral from Sell.
• Friedman Billings upgraded Mariner Energy (NYSE: ME) to Market Perform from Underperform on valuation and the company's upcoming catalysts in the deepwater GOM.
• Swiss Reinsurance (OTC: SWCEY) was raised to Buy from Hold at Citigroup.

Analyst downgrades:

• Intel (NASDAQ: INTC) was downgraded to Neutral from Buy at Goldman.
• Deutsche Bank cut Hess Corp (NYSE: HES) and Marathon Oil (NYSE: MRO) to Hold from Buy and Suncor (NYSE: SU) and ConocoPhillips (NYSE: COP) to Sell from Hold after cutting their oil price forecast for 2009 to $60/bbl and 2010 to $58/bbl.
  
• Merrill downgraded Akzo Nobel (OTC: AKZOY) to Neutral from Buy on expectations the company's coatings end markets will worsen and chemicals division will see pressure next year.
• Monster (NASDAQ: MNST) was lowered at Citigroup to Hold from Buy.

MOST NOTEWORTHY: Assured Guaranty, Limelight Networks and Monotype Imaging were today's noteworthy initiations:

• UBS expects Assured Guaranty (NYSE: AGO) to increase shares in the public finance guaranty market and take advantage of reinsurance opportunities. Shares were initiated with a Buy rating and $31 target.
  
• Merriman assumed Limelight Networks (NASDAQ: LLNW) with a Neutral rating. The firm believes investors should remain cautious until a ruling in the company's patent infringement trial is handed down.
  
• Monotype Imaging (NASDAQ: TYPE) was initiated at Banc of America with a Buy rating and $16 target. The firm highlighted the company's strong revenue visibility and attractive valuation. Shares were also initiated at JP Morgan with an Overweight rating, citing TYPE's discounted valuation and solid IP licensing franchise.

OTHER INITIATIONS:

• B. Riley assumed National Penn Bancshares (NASDAQ: NPBC) with a Neutral rating and $16 target.
  
• Vestas Wind Systems (OTC: VWSYF) was initiated at Jefferies with a Hold rating.
  
• UBS started MBIA Inc (NYSE: MBI) with a Neutral rating and $6 target.
  
• Morgan Joseph initiated DXP Enterprises (NASDAQ: DXPE) with a Buy rating and $53 target.