Analyst upgrades:

• Goldman upgraded BT Group (NYSE: BT) to Buy from Neutral on valuation and improved earnings visibility.
  
• Soleil upgraded shares of Jo Ann Stores (NYSE: JAS) to Buy from Hold following the company's Q2 upside surprise to reflect strong fundamentals and market share gains. The firm raised Jo Ann's target to $30 from $25.
  
• Amylin Pharma (NASDAQ: AMLN) was upgraded to Buy from Neutral at Merrill Lynch.
  
• Energen (NYSE: EGN) was upgraded to Buy from Neutral at UBS.

Analyst downgrades:

• Roth Capital downgraded shares of Warner Chilcott (NASDAQ: WCRX) to Hold from Buy pending patent clarity for the company's lead drug, Loestrin 24 for birth control. The firm lowered their target to $18 from $20.
• JP Morgan cut China Mobile (NYSE: CHL) to Underweight from Overweight as they believe increased competition may limit earnings growth.
  
• Cantor downgraded shares of Cell Genesys (NASDAQ: CEGE) to Hold from Buy following the termination of the VITAL-2 Phase III clinical trial. The firm also lowered their target to $2 from $10.
• Coca-Cola (NYSE: KO) was lowered to Neutral from Outperform at Credit Suisse.
  
• Gilead Sciences (NASDAQ: GILD) was downgraded to Equal Weight from Overweight at Lehman.
  
• Cinemark (NYSE: CNK) was downgraded at BMO Capital to Market Perform from Outperform.

Oppenheimer & Co reiterated its "outperform" rating on STEC (NASDAQ: STEC) saying that "We remain bullish on STEC's unfolding solid state drive (SSD) story and see further room for shares to run," according to the AP.

Wachovia upgraded Sun Microsystems (NASDAQ: JAVA) from "market perform" to "outperform," according to Briefing.com The news service also writes that Bernstein has downgraded EDS (NYSE: EDS) to "market perform" to "outperform."

Staples (NASDAQ: SPLS) raised to "buy" from "hold" at Jefferies according to Briefing.com.

MAJOR PAPERS:

• A newly published report by Standard & Poor's said that the performance of organizations such as Federal National Mortgage Association (NYSE: FNM), or Fannie Mae, and Federal Home Loan Mortgage Corporation (NYSE: FRE), or Freddie Mac, could directly affect the U.S. economy and the country's credit rating, especially if they have to be rescued by the government, according to the Wall Street Journal's "Credit Markets" column.
• Seagate Technology LLC (NYSE: STX), a hard drive maker, filed a patent infringement suit in San Francisco against STEC Inc (NASDAQ: STEC) over four patents related to technology used to store data on computer chips, the Wall Street Journal reported.
• The Financial Times reported that Citigroup Incorporated (NYSE: C) is allowing private equity groups such as Apollo, The Blackstone Group LP (NYSE: BX) and TPG that are bidding for up to $12B of its leveraged loans to 'cherry-pick' from a wide range of assets with different credit ratings and prices.

WEB SITES:

• According to analysts, Reuters reported that technology industry leaders that include International Business Machines Corporation (NYSE: IBM), Oracle Corporation (NASDAQ: ORCL), Cisco Systems Inc (NASDAQ: CSCO) and Hewlett-Packard Company (NYSE: HPQ) are among the companies with large cash reserves that could be used to fund acquisitions.

MOST NOTEWORTHY: StatoilHydro, Portugal Telecom and STEC Inc were today's noteworthy downgrades:

• Deutsche Bank downgraded shares of StatoilHydro (NYSE: STO) to Hold from Buy after the company cut its production forecast.
  
• Credit Suisse lowered its rating on Portugal Telecom (NYSE: PT) to Underperform from Outperform on competition concerns.
  
• B. Riley downgraded shares of STEC Inc. (NASDAQ: STEC) to Neutral from Buy on valuation, as they believe the risk/reward is neutral following the recent rally.

OTHER DOWNGRADES:

• Jefferies downgraded Red Hat (NYSE: RHT) to Hold from Buy.
  
• UBS downgraded Palm Inc. (NASDAQ: PALM) to Sell from Neutral.
  
• Deutsche Bank lowered Telekom SA (NYSE: TKG) to Hold from Buy.
  
• Goldman downgraded Trident Microsystems (NASDAQ: TRID) to Neutral from Buy.

MOST NOTEWORTHY: SanDisk (SNDK), Indevus Pharmaceuticals (IDEV), Integra LifeSciences (IART) and Level 3 Communications (LVLT) were today's noteworthy initiations:

• SanDisk (NASDAQ: SNDK) was initiated with a Neutral rating at Cowen, as the firm believes it could face challenges in Q4 NAND flash memory demand given supply.

• Rodman & Renshaw initiated shares of Indevus (NASDAQ: IDEV) with a Market Outperform rating and $10 target. The firm believes Indevus Nebibo and Sanctura XR upcoming events provide an attractive entry point.

• Morgan Stanley initiated shares of Integra LifeSciences (NASDAQ: IART) with an Equal Weight rating and $55 target, citing competitive risks from larger competitors.

• Shares of Level 3 Communications (NASDAQ: LVLT) were initiated at Raymond James with an Underperform rating, as the firm believes estimates will be difficult to achieve given high debt levels and free cash flow.

OTHER INITIATIONS:

• Cowen initiated shares of STEC Inc (NASDAQ: STEC) and Spansion (NASDAQ: SPSN) with Neutral ratings and shares of Silicon Motion Technology Corp (NASDAQ: SIMO) with an Outperform rating.

• Pacific Crest initiated shares of Universal Electronics (NASDAQ: UEIC) with a Sector Perform rating on valuation.

• Merrill Lynch started shares of FirstFed Financial (NYSE: FED) with a Sell rating.

• Goldman Sachs started shares of Herbalife (NYSE: HLF) with a Buy rating and $50 target.

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

MOST NOTEWORTHY: Three food companies, TiVo Inc (TIVO), Circuit City Stores, Inc (CC) and AutoZone, Inc (AZO) were today's most noteworthy downgrades:

• Deutsche Bank downgraded Groupe Danone (NYSE: DA), Unilever (NYSE: UL) and Nestle (OTC: NSRGY) to Hold from Buy as the firm believes the three food producers will suffer from rising prices for agricultural commodities.

• SMH Capital downgraded shares of TiVo (NASDAQ: TIVO) to Sell from Hold on valuation as the firm believes the market has already priced in considerable penetration of the new TIVO/Comcast bundled DVR into Comcast's (CMCSK) core digital sub base.

• Matrix downgraded Circuit City Stores (NYSE: CC) to Strong Sell from Hold as the firm believes increasing competition is leading to lower selling prices and decreasing profits.

• BMO Capital cut AutoZone (NYSE: AZO) to Underperform from Market Perform on expectations that higher gas prices will be a drag on discretionary product sales...

OTHER DOWNGRADES:

• Goldman added Applied Materials, Inc (NASDAQ: AMAT) to its Americas Conviction Sell List.

• Oppenheimer downgraded Federated Department Stores (NYSE: FD) to Neutral from Buy.

• STEC, Inc (NASDAQ: STEC) was cut to Neutral from Buy at Merrill Lynch and to Sector Perform from Outperform at CIBC after weak Q1 results.

• Boyd Gaming Corp (NYSE: BYD) was cut to Market Perform from Outperform at BMO Capital.

• Baird downgraded Amgen, Inc (NASDAQ: AMGN) to Neutral from Outperform.

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

MOST NOTEWORTHY: MasterCard Inc (MA), Domino's Pizza, Inc (DPZ), STEC, Inc (STEC) were some of today's more notable initiations:

• Suntrust initiated MasterCard Inc (NYSE: MA) with a Buy rating and $130 target, believing the company is the best positioned to benefit from the secular shift from cash to e-payments at the point of sales.

• Domino's Pizza Inc (NYSE: DPZ) was initiated with an Outperform rating and $38 target at Friedman Billings.

• AG Edwards initiated STEC Inc (NASDAQ: STEC) with a Buy rating and $12 target. The firm feels shares are undervalued and that the company's growth profile and profitability should dramatically improve post-consumer business sale and revenue recognition change.

OTHER INITIATIONS:

• California Pizza Kitchen (NASDAQ: CPKI) was initiated with a Market Perform rating and $35 target at Friedman Billings.

• Stanford believes Watts Water Technologies, Inc (NYSE: WTS) is one of the more compelling names in the water infrastructure space and initiated shares with a Buy rating and $42 target.

• Morgan Keegan believes Horizon Lines Inc's (NYSE: HRZ) earnings potential has yet to be realized and initiated shares with an Outperform rating.

• Lazard initiated several solar power companies with Buy ratings: SunPower Corp (NASDAQ: SPWR), First Solar, Inc (NASDAQ: FSLR), Evergreen Solar, Inc (NASDAQ: ESLR) and Energy Conversion Devices, Inc (NASDAQ: ENER).

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