Analyst Upgrades

• Parker-Hannifin (PH) to buy from hold at Deutsche Bank.
• JDSU (JDSU) to buy from hold at Citigroup.
• Noble Corp. (NE) to overweight from neutral at JPMorgan.
• Cerner (CERN) to buy from hold at Auriga.
• Cintas (CTAS) to outperform from neutral at RW Baird.
• American States Water (AWR) to buy from hold at Brean Murray.
• National Semiconductor (NSM) and Texas Instruments (TXN) to positive from neutral at Susquehanna.
• Lululemon (LULU) to buy from hold at ThinkEquity.
• DuPont Fabros (DFT) to top pick from outperform at RBC Capital.

Analyst Upgrades

• Las Vegas Sands (LVS) to outperform from neutral at Credit Suisse.
• Boston Scientific (BSX) to outperform from sector perform at RBC Capital.
• Windstream (WIN) to buy from hold at Citigroup.
• Expeditors (EXPD) to buy from neutral at UBS.
• A123 Systems (AONE) to neutral from underperform and Chesapeake Midstream (CHKM) to buy from neutral at BofA/Merrill.
• AvalonBay (AVB) to outperform from neutral and Post Properties (PPS) to neutral from underperform at Cowen.

Analyst Upgrades

• Citigroup upgraded Mosaic (MOS) to buy from hold and raised its price target to $78 from $64 citing improving ag fundamentals and the potential for BHP (BHP) to issue a higher bid for Potash (POT), which Citi feels would bode well for Mosaic.
• Cowen upgraded VMware (VMW) to outperform from neutral, citing recent share weakness and the company's significant growth opportunity.
• Citigroup upgraded CareFusion (CFN) with a $29 price target, citing valuation and the potential for margin expansion.
• Pfizer (PFE) was upgraded to outperform from neutral at Cowen.
• Juniper (JNPR) was upgraded to outperform from perform at Oppenheimer.
• Stryker (SYK) was upgraded to buy from gradually accumulate at Soleil.

Analyst Upgrades

• BMO Capital upgraded Noble Energy (NE) to outperform from market perform and raised its target to $85 from $78. The firm upgraded Noble based on Niobrara field potential and record-breaking reserve potential at the Leviathan prospect.
• Wells Fargo upgraded Raytheon (RTN) to outperform from market perform based on relative valuation, strong balance sheet and International sales exposure.
• ThinkEquity upgraded Cerner (CERN) to buy from hold based on valuation and EMR momentum. The firm raised its price target on shares to $86 from $80.
• Sanofi-Aventis (SNY) was upgraded to buy from hold at Societe Generale.
• Cavium Networks (CAVM) was upgraded to outperform from market perform at JMP Securities.
• CSG Systems (CSGS) was upgraded to outperform from perform at Oppenheimer.

Analyst Upgrades

• Oppenheimer upgraded Alexion (ALXN) to outperform from perform, citing the recent pullback in shares and expected momentum in the second half of 2010. The firm has a $62 price target for shares.
• FBR Capital upgraded Blue Coat Systems (BCSI) to outperform from market perform, citing positive channel checks and the recent pullback in shares. The firm maintains a $27 price target on the name.
• Needham upgraded Hologic (HOLX) to buy from hold after its mammography survey confirmed that an upgrade cycle for digital mammography is emerging. The firm has a $20 price target for shares.
• eBay (EBAY) was upgraded to neutral from sell at MKM Partners.
• Athenahealth (ATHN) was upgraded to buy from hold at Auriga.
• Las Vegas Sands (LVS) was upgraded to overweight from equal weight at Morgan Stanley.

Analyst Upgrades

• UBS upgraded Yum! Brands (YUM) to buy from neutral, citing valuation, improving momentum and stabilizing China fast-food sales. The firm raised its target to $44 from $38.
• United Technologies (UTX) was upgraded to outperform from neutral at Cowen.
• Needham upgraded Arris (ARRS) to buy from hold, citing valuation and positive near-term business trends. The firm has a $16 price target on shares.
• Warnaco (WRC) was upgraded to outperform from neutral at Credit Suisse.
• Aetna (AET) was upgraded to neutral from underperform at BofA/Merrill.
• Nestle (NSRGY) was upgraded to overweight from neutral at JPMorgan.

Analyst Upgrades

• Goldman upgraded Walmart (WMT) to buy from neutral, citing compelling valuation, margin expansion and expense control. The firm has a $60 target on the stock.
• FBR Capital upgraded Urban Outfitters (URBN) to outperform from market perform on valuation and its belief that sustainable positive comp trends will return in 2010. The firm maintains a $35 price target on shares.
• JPMorgan upgraded Manpower (MAN) to overweight from neutral. The firm cites valuation and improving temp fundamentals in the U.S. and France for the upgrade and has a $70 price target on the stock.
• Arena Resources (ARD) was upgraded to buy from neutral at SunTrust.
• C.R. Bard (BCR) was upgraded to neutral from underweight at Piper Jaffray.
• Cardinal Health (CAH) was upgraded to overweight from market weight at Thomas Weisel.

Analyst Upgrades

• Goldman upgraded 3M Company (MMM) to conviction buy from buy, citing positive global industrial data, underappreciated organic growth and earnings momentum, among other reasons. The firm raised its target to $105 from $100.
• Citigroup upgraded Manpower (MAN) to buy from hold to reflect improvements in the temporary employment sector. The firm raised its target price on shares to $69 from $61.
• Baird upgraded Cerner (CERN) to outperform from neutral and raised its target to $104 from $89 based on Q4 bookings momentum, positive newsflow and reasonable valuation.
• Dow Chemical (DOW) was upgraded to overweight from equal weight at Barclays.
• Magna International (MGA) was upgraded to outperform from market perform at Wells Fargo.

Cerner Corp. (NASDAQ: CERN) is a health care information technology provider, and that's a hot place to be right now.

The company reports on July 29, and earnings expectations are modest. In fact, only a third of covering analysts consider CERN a "buy," which leaves plenty of room for upgrades. The stock needs to break through potential resistance at $65, and earnings could give it that boost.

Buy CERN call options.

Next: Earnings Trade #2

Beating the Street at the earnings game is all about knowing the market's true expectations for a stock.

Knowing the market's expectations -- not just the analyst expectations -- for a stock will often provide the edge necessary to turn earnings season into a profit opportunity.

The more data and trends you can look at to determine not only what investors expect, but also how investors are positioning themselves for the expected move, the better.

• Citigroup upgraded Sunoco Logistics (NYSE: SXL) to Buy from Hold on valuation and raised its target on shares to $60 from $56.50. The firm sees better value in Sunoco Logistics than Enbridge Energy Partners (NYSE: EEP), which it downgraded to Hold.
  
• BofA/Merrill believes Raytheon (NYSE: RTN) offers the most potential upside in the larget cap defense sector. The firm upgraded shares to Buy from Neutral and has a $62 target on the stock.
  
• Roth Capital upgraded Nvidia (NASDAQ: NVDA) to Buy from Hold based on seasonality, multiple product cycles, and valuation. Roth's target remains $15.
• Oracle (NASDAQ: ORCL) was upgraded to Buy from Hold at Societe Generale.
  
• EnerNOC (NASDAQ: ENOC) was upgraded to Outperform from Neutral at RW Baird.
  
• American Express (NYSE: AXP) was upgraded to Neutral from Underweight at JP Morgan.
  

• Citigroup upgraded shares of Corning (NYSE: GLW) to Buy from Hold as it believes LCD glass production and sales have bottomed and will pick-up in Q2. The firm raised its target price to $16 from $11.25.
  
• Thomas Weisel upgraded Celera (NASDAQ: CRA) to Overweight from Market Weight based on valuation and its strong business model.
  
• ThinkEquity upgraded Varian Semi (NASDAQ: VARI) to Buy from Accumulate and raised its target to $32 from $20 based on valuation and weakness at its sole competitor.
• Sanofi-Aventis (NYSE: SNY) was upgraded to Hold from Underperform at Jefferies.
  
• Agilent (NYSE: A) was raised to Outperform from Neutral at Credit Suisse.
  
• Liberty Interactive (NASDAQ: LINTA) was upgraded at JP Morgan to Neutral from Underweight.

• Thomas Weisel upgraded SanDisk (NASDAQ:SNDK) to Market Weight from Underweight. Thomas Weisel said they are less negative on the outlook for memory industry dynamics but they do expect SanDisk shares to be range bound.
  
• Citigroup upgraded shares of Hershey (NYSE:HSY) to Buy from Hold as they believe Hershey is benefiting from increased advertising spending and the consumer trade-down to less expensive chocolate. The firm maintains a $39 target on the stock.
  
• Deutsche Bank upgraded Best Buy (NYSE:BBY) to Buy from Holdas they believe the company will be a beneficiary from the Circuit City liquidation.
• Ericsson (NASDAQ:ERIC) was upgraded to Neutral from Sell at Goldman.
  
• Advance Auto Parts (NYSE:AAP) and Virgin Media (NASDAQ:VMED) were raised to Overweight from Neutral at JP Morgan.
  
• NewMarket (NYSE:NEU) was upgraded at KeyBanc to Buy from Hold.

• Citigroup downgraded Kellogg (NYSE:K) to Hold from Buy as they believe the company's U.S. trends are decelerating and that FX trends will have a negative impact. The firm lowered their target price to $47 from $58.
  
• Jefferies downgraded Cerner (NASDAQ:CERN) to Hold from Buy following Eclipsys' (NASDAQ:ECLP) negative pre-announcement as they believe both companies are suffering from a downturn in hospital spending. Jefferies lowered their target on Cerner to $38 from $51.
  
• Oppenheimer cut Amdocs (DOX) to Perform from Outperform following the weak Q1 results citing lack of near-term catalysts and the macroeconomic slowdown.
• Eclipsys (NASDAQ:ECLP)was downgraded to Underperform from Buy at Jefferies and to Neutral from Buy at Piper Jaffray.
  
• PetSmart (NASDAQ:PETM) was downgraded to Hold from Buy at Deutsche Bank.
  
• Fulton Financial (NASDAQ:FULT) was lowered to Underperform from Market Perform at Keefe Bruyette.

• Wunderlich initiated Republic Services (NYSE:RSG) with a Buy rating and $30 target and believes the company should enjoy sustainable pricing leverage following the merger with Waste Management.
  
• RBC Capital initiated Elan Corp (NYSE:ELN) with an Underperform rating and $4 target based on Tysabri uncertainty, bapineuzumab clinical risk, MS competition, and debt overhang.
  
• Oppenheimer expects Ligand Pharmaceuticals (NASDAQ:LGND) to become an aggressive acquirer of financially distressed biotech companies with the completion of the acquisition of Pharmacopeia. Shares were assumed with an Outperform rating and $5 target.
• Zebra Tech (NASDAQ:ZBRA) was initiated with a Neutral rating and $25 target at JP Morgan.
  
• Activision (NASDAQ:ATVI) was reinitiated at Friedman Billings with an Outperform rating and $14 target.
  
• Ameren (NYSE:AEE) was assumed with a Hold rating at Jesup & Lamont.

"One of my favor defensive sectors is healthcare," says Elliott Gue; the contributing editor to Personal Finance looks to Quality Systems (NSDQ: QSII), a company that helps automate medical records.

Quantitative analyst Richard Moroney also sees opportunity in the same niche sector. In his Upside newsletter, he looks to a competing play, Cerner (NASDAQ: CERN). Here are their reviews.

"The President made health care a centerpiece of his campaign, including investments in health care-related information technology (IT).

"Health care IT systems can save doctors' offices and hospitals significant administrative costs as well as prevent mistakes. In addition, some major health insurance firms are already putting heavy pressure on their physician networks to adopt these systems."

"Medical offices and hospitals are seeking to automate many functions, from storing patient records online to automatically submitting insurance claims for reimbursement.

"It's estimated that as much as 90% of health care records at smaller medical practices are still maintained in paper form, while even bigger hospitals keep close to half of their records manually.

"Quality Systems, a holding in our growth portfolio, is a leading provider of such systems. It sells software used to manage electronic patient records, billing, scheduling and other common administrative functions for medical and dental practices.

Analyst upgrades:

• Oppenheimer upgraded Inter Parfums (NASDAQ: IPAR) to Outperform from Perform on valuation and increased comfort with the company's outlook after meeting with management.
  
• Deutsche Bank raised Covidien (NYSE: COV) to Buy from Hold on the company's solid execution and ongoing restructuring, which they believe will drive EPS higher. The firm raised its target to $63 from $51.
• Regions Financial (NYSE: RF) was upgraded to Outperform from Market Perform at Keefe Bruyette.
• American Eagle (NYSE: AEO) was lifted to Buy from Neutral at Banc of America.
  
• Goldman raised Healthways (NASDAQ: HWAY) to Neutral from Sell.

Analyst downgrades: