MOST NOTEWORTHY: CyberSource, Century Casinos, Spectrum Pharm and Winnebago were today's noteworthy upgrades:

• JMP Securities upgraded shares of CyberSource (NASDAQ: CYBS) to Market Outperform from Market Perform citing valuation, positive management comments regarding BidPay, and incrementally positive industry checks on its fraud product.
  
• Brean Murray upgraded shares of Century Casinos (NASDAQ: CNTY) to Buy from Hold based on continued progress at recently opened properties, reduced Street expectations, and potential catalysts.
  
• Brean Murray also upgraded Spectrum Pharmaceuticals (NASDAQ: SPPI) to Buy from Hold. The firm is highly confident that Spectrum's ozarelix will demonstrate similar efficacy and safety in the current U.S. Phase IIb trial and expects statistical significant. The firm expects Ph III initiations by year-end 2007 and Ph IIb data to be released on 2Q08.
  
• Winnebago Industries (NYSE: WGO) was upgraded to Outperform from Sector Perform at RBC Capital. The firm expects Winnebago to begin to post better earnings from more favorable mix and pricing in the 2008 model year.

OTHER UPGRADES:

• Merrill Lynch upgraded Cardinal Health (NYSE: CAH) to Buy from Neutral.
  
• Goldman upgraded shares of US Airways (NYSE: LCC) to Buy from Neutral.
  
• Avocent Corporation (NASDAQ: AVCT) was upgraded to Accumulate from Source the Funds at Think Equities.
  
• Collins Stewart raised Cyberonics (NASDAQ: CYBX) to Buy from Market Perform.

MOST NOTEWORTHY: GlaxoSmithKline plc (NYSE: GSK), Express Scripts, Inc (ESRX), SanDisk Corp (SNDK), Halliburton Co (HAL) and Texas Instruments (TXN) were some of today's noteworthy upgrades.

• Deutsche Bank upgraded GlaxoSmithKline plc (NYSE: GSK) to Buy from Hold.

• Express Scripts Inc (NASDAQ: ESRX) was upgraded to Strong Buy from Buy with a $113 target at First Albany, following the stronger-than-expected first quarter results.

• SanDisk Corp (NASDAQ: SNDK) was upgraded to Buy from Hold at Citigroup.

• Halliburton Co (NASDAQ: HAL) was added to AG Edwards Focus Portfolio. The firm believes Halliburton trades at a great discount to its largest peer, Schlumberger Ltd (SLB), despite an improved earnings outlook and progress on several issues.

• Texas Instruments (NASDAQ: TXN) was upgraded to Buy from Hold at Gabelli to reflect strong first quarter results and valuation. Piper Jaffray upgraded shares of Texas Instruments to Outperform from Market Perform...
  

OTHER UPGRADES:

• Keefe Bruyette upgraded shares of BancFirst Corp (NASDAQ: BANF) to Market Perform from Underperform following its first quarter report.

• Raymond James raised Cardinal Health, Inc (NYSE: CAH) to Outperform from Market Perform.

• Matrix USA raised H.B. Fuller Co (NYSE: FUL) to Hold from Sell based on the company's sales growth.

• Baird raised Snap-on Inc (NYSE: SNA) rating to Outperform from Neutral with a $55 target.

• Bear Stearns upgraded shares of Cummins Inc (NYSE: CMI) to Peer Perform from Underperform.

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

MOST NOTEWORTHY: Under Armor Inc (NYSE: UA) and Cardinal Health Inc (NYSE: CAH) are today's most notable upgrades:

• Credit Suisse upgraded Under Armor Inc (NYSE: UA) to Outperform from Neutral with a $65 target and believes that the company is emerging as one of the premier global athletic brands.

• JMP Securities upgraded shares of Cardinal Health Inc (NYSE: CAH) to Outperform from Market Perform to reflect their expectation for accelerated earnings growth over the next three years.

OTHER UPGRADES:

• Friedman, Billings upgraded shares of Urban Outfitters Inc (NASDAQ: URBN) to Outperform from Market Perform to reflect positive momentum in URBN's core division, inventory control and easy upcoming comps.

• Stanford upgraded shares of Vonage Holdings (NYSE: VG) to Hold from Sell on valuation.

• Goldman Sachs upgraded the US Homebuilding Sector to Neutral from Sell saying the worst may be behind the group, but fundamentals remain troubling. The analyst said the next meaningful data will be from the Spring selling season, 6-8 weeks away.
• Goldman upgraded D.R. Horton Inc (NYSE: DHI), MDC Holdings Inc (NYSE: MDC) & Toll Brothers Inc (NYSE: TOL) to Buy from Neutral due to lower-risk at this point in the cycle. The Ryland Group Inc (NYSE: RYL) was upgraded to Neutral from Sell.

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

MOST NOTEWORTHY: Kimberly Clark (KMB) and Amazon.com (AMZN) topped today's most notable upgrades:

• Prudential upgraded Kimberly Clark (NYSE: KMB) to Overweight from Underweight with an $80 target, reflecting lower commodity prices.
  
• Stifel upgraded Amazon.com (NASDAQ: AMZN) to Buy from Hold with a $44 target, noting that Amazon is entering an operating leverage cycle and usually performs well in such environments.

OTHER UPGRADES:

• Cowen considered bebe Stores's (NASDAQ: BEBE) risk/reward to be favorable at these levels, upgrading shares to Overweight from Neutral.
  
• Prudential upgraded shares of Citigroup Inc (NYSE: C) to Overweight from Neutral.
  
• Cardinal Health (NYSE: CAH) was upgraded to Overweight from Equal-Weight at Morgan Stanley.

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

Cardinal Health Inc. (NYSE: CAH) is the nation's number one supplier of support products and services for the health care industry. After a lengthy investigation by the New York Attorney General's office regarding the purchase of pharmaceutical products on the secondary pharmaceutical market, Cardinal Health announced December 26, 2006, that a settlement had been reached and that the situation is, for Cardinal, no longer an issue, except as pertains to their ongoing efforts to improve the security of the pharmaceutical products supply chain.

It should be noted that the $81 billion health provider Cardinal was only one participant in an investigation that involves health care players nation wide. Cardinal's stock value has deflated some over the past nine months, and may constitute a nice buy right about now.

The good news is that Cardinal has completed a comprehensive test of RFID technology, one of my pet projects. Cardinal has proven that RFID (radio frequency identification) tags can be applied to product, encoded en route, and then accurately read at normal production speeds during packaging and distribution of pharmaceuticals. The test has shown that RFID can be exploited within existing product flow models utilizing current equipment and materials. Cardinal reports encoding yields of 95% to 97%, and they expect they can fine tune for even higher yields. Yield simply means complete and accurate encoding in one production pass through.

MOST NOTEWORTHY: Whole Foods (WFMI), Sanofi-Aventis (SNY) and Isis Pharmaceuticals (ISIS) top today's list of initiations.

• Whole Foods Market, Inc. (NASDAQ:WFMI) was reinstated with an Outperform rating, raised from a Sector Perform rating, at RBC Capital Markets. The firm said expectations have been reduced and the risk/reward is favorable.
• Sanofi-Aventis (NYSE:SNY) was initiated with a Buy rating and $50 target at Bank of America. The firm is positive on Sanofi's late-stage pipeline beyond Acomplia.
• Isis Pharmaceuticals, Inc. (NASDAQ:ISIS) was started with a Buy and $14 target at A.G. Edwards. The firm said Isis is at an inflection point and that potential commercial opportunity for the T5000 Biosensor has been "overlooked and undervalued by investors."

OTHER INITIATIONS:

• Citigroup assumed the coverage of Cardinal Health, Inc. (NYSE:CAH) with a Hold rating and $70 target.
• Bear Stearns initiated Western Union Co. (NYSE:WU) with an Outperform rating and $27 target. Bear Stearns said they are positive on Western Union's powerful brand name and unique global network.

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