Analyst Upgrades

• FBR Capital upgraded Nike (NKE) to outperform from market perform. The firm believes the company's momentum is building following the better-than-expected Q3 report and raised its target for the stock to $84 from $67.
• Thomas Weisel upgraded Corning (GLW) to overweight from market weight, citing improving profitability and cash flow trends. The firm has a $24 price target for shares.
• Deutsche Bank upgraded Burger King (BKC) to buy from hold, citing valuation and potential positive catalysts from the bottoming of sales trends and easy comparisons. The firm raised its price target on shares to $24 from $19.
• Broadcom (BRCM) was upgraded to buy from neutral at Goldman.
• Energizer (ENR) was upgraded to overweight from neutral at JPMorgan.
• Guess (GES) was upgraded to buy from hold at Lazard Capital.

Analyst upgrades:

• Jefferies upgraded Biogen (NASDAQ: BIIB) to Buy from Hold based on valuation. The firm, which has a $50 target on the stock, believes Tysabri PML cases are reflected in shares.
• Deutsche Bank upgraded Nordstrom (NYSE: JWN) to Buy from Hold as it finds the valuation attractive and believes the company's sales are benefiting from stabilization in California and share gains. Deutsche raised its target on shares to $45 from $36.
• RBC Capital upgraded Yum! Brands (NYSE: YUM) to Outperform from Sector Perform and raised its target to $39 from $36 citing valuation and views it as a low risk option on a global economic recovery.
• Credit Suisse (NYSE: CS) was upgraded to Buy from Hold at Citigroup.
• Royal Caribbean (NYSE: RCL) was upgraded to Outperform from Market Perform at Wells Fargo.
• Alcatel-Lucent (NYSE: ALU) was upgraded to Hold from Sell at RBS.

Analyst upgrades:

• Credit Suisse upgraded Motorola (NYSE: MOT) to Outperform from Neutral after the close Monday. The firm believes Motorola's devices segment will approach breakeven in 2010 while operating margins in nonhandset segments will expand, and that a break-up story will reemerge. Credit Suisse raised its target on shares to $9.50 from $7.
• UBS upgraded BHP Billiton (NYSE: BHP) to Buy from Neutral. The firm cites BHP's leverage to iron ore, coking coal, copper, and oil for its upgrade after raising its commodity price forecasts.
• Merriman upgraded Walter Energy (NYSE: WLT) to Buy from Neutral to reflect higher met coal price forecasts. The firm believes Chinese demand is strong and has a target range of $66-$72 on the stock.
• Intersil (NASDAQ: ISIL) was upgraded to Outperform from Perform at Oppenheimer.
• Coach (NYSE: COH) was upgraded to Buy from Neutral at BofA/Merrill.
• Lockheed Martin (NYSE: LMT) was upgraded to Buy from Hold at Citigroup.

MAJOR PAPERS:

• Troubled Sprint Nextel Corporation (NYSE: S) is searching for a replacement for CEO Gary Forsee, and expects to have a new person in place by December, reported the Wall Street Journal.
• Two Bear Stearns Companies (NYSE: BSC) collapsed mortgage related hedge funds, that lost $1.6B, have drawn an investigation from the U.S. attorney in Brooklyn, NY, reported the Wall Street Journal.
• The Financial Times reported that the U.K. economy will be affected by the global credit crisis, according to Chancellor of the exchequer Alistair Darling, who said that while the U.K. economy is in a strong position to ride out the impact, growth projections will be lowered from the current 2.5%-3%.

OTHER PAPERS:

• From BusinessWeek's "Inside Wall Street" section:
  
• Sotheby's (NYSE: BID) has benefited from Wall Street's equity market gains, with high-end investors piling money into art, and Rommel Dionisio of Wedbush Morgan Securities sees the stock going to $60 in a year.
• Amid concern that it might miss the Street's Q3 forecast, is Polycom (NYSE: PLCM) oversold at $26? Yes, says Greg MacArthur, president of investment outfit Viewpoint2000.
• Stereotaxis (NASDAQ: STXS) makes a computerized magnetically controlled navigation system that guides devices used in minimally invasive cardiac arrhythmia surgery, and Standard & Poor's rates the stock a Buy, in part because of its order backlog of $55 million.

MOST NOTEWORTHY: EMC Corp (EMC), NetEase.com, Inc (NTES), Wireless Ronin Technologies (RNIN), Activision (ATVI) and GameStop Corp (GME) were today's noteworthy initiations:

• BMO Capital expects upside to EMC Corp's (NYSE: EMC) June quarter estimates, but only sees limited share upside from current levels. The firm started shares with a Market Perform rating and $21 target.

• Pali Research believes NetEase.com (NASDAQ: NTES) must address the discontinuity in its growth and started shares off with a Neutral rating.

• Barrington expects Wireless Ronin (NASDAQ: RNIN) to benefit from growth towards broadcasting to the outdoor component of out-of-home and views the company as an emerging growth opportunity that is starting with a strong technological base and management team. The firm started shares with an Outperform rating.

• First Albany initiated shares of GameStop (NYSE: GME) with a Buy rating, citing upside potential to 2008 estimates.

• Activision (NASDAQ: ATVI) was also initiated at First Albany, with a Buy rating, as the firm is expecting strong results and guidance...

OTHER INITIATIONS:

• Jefferies initiated Polycom (NASDAQ: PLCM) with a Buy rating.

• Deutsche Bank started Zoran (NASDAQ: ZRAN) with a Buy rating.

• Stanford initiated Urban Outfitters (NASDAQ: URBN) with a Buy rating.

• Banc of America initiated Garmin (NASDAQ: GRMN) with a Neutral rating.

Analyst summaries provided by TheFlyOnTheWall.com (subscription required).

MOST NOTEWORTHY: Take-Two Interactive Software, Inc (TTWO), Sony Corp (SNE), Sun Microsystems, Inc (SUNW), PetSmart, Inc (PETM) and Constellation Energy Group, Inc (CEG) were today's more notable initiations:

• Prudential started Take-Two Interactive Software (NASDAQ: TTWO) with a Neutral rating and $25 target, citing valuation and limited impact from GTA IV for the rating.

• Prudential believes Sony Corp (NYSE: SNE) is well-positioned to benefit from digital media revolution in consumer electronics and that operating margins will continue to improve; Sony was initiated with an Overweight rating and $62 target.

• Cowen views Sun Microsystems' (NASDAQ: SUNW) valuation full and initiated shares with a Neutral rating.

• Pali Capital initiated PetSmart, Inc (NASDAQ: PETM) with a Buy rating and $37 target, room for price optimization as their recent checks suggest that consumers prefer PETM, regardless of price.

• Credit Suisse initiated shares of Constellation Energy Group (NYSE: CEG) with an Outperform rating and $94 target.

OTHER INITIATIONS:

• Stifel initiated several stocks in the network technology sector: Juniper Networks, Inc (NASDAQ: JNPR) was initiated with a Buy rating and $23 target, while Acme Packet, Inc (NASDAQ: APKT), Cisco Systems (NASDAQ: CSCO) and Polycom, Inc (NASDAQ: PLCM) were initiated with Hold ratings.

• First Albany initiated NutriSystem (NASDAQ: NTRI) with a Buy rating and $57 target.

• Piper Jaffray started OSI Pharmaceuticals, Inc (NASDAQ: OSIP) with an Outperform rating and $42 target.

Analyst summaries provided by TheFlyOnTheWall.com (subscription required).