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

• Brinker (EAT) to buy from neutral at UBS.
• Starbucks (SBUX) to overweight from equal weight at Morgan Stanley.
• Paccar (PCAR) to overweight from neutral at JPMorgan.
• CA Technologies (CA) to outperform from perform at Oppenheimer.
• PPL Corp. (PPL) to overweight from equal weight at Barclays.
• ConocoPhillips (COP) to hold from sell at Citigroup.
• First Defiance (FDEF) to outperform from market perform at Keefe Bruyette.
• MasTec (MTZ) to outperform from neutral at Credit Suisse.
• Amdocs (DOX) to neutral from underperform at BofA/Merrill.

MasTec (NYSE: MTZ) plays a vital role in literally supporting the backbone of the U.S. economy: infrastructure.

For the last 75 years, MasTechas designed, built, installed, maintained and upgraded the telecommu­nications and utilities infrastructures of the U.S. This company has a hand in everything from telephone lines and high-speed Internet, to satellite and cable television services, to electric, water and natural gas utilities. All you have to do is look outside your window at the nearest telephone pole or glance across the fence at a neighbor's satellite dish to see where MTZ makes its money!

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MOST NOTEWORTHY: Refiners, MasTec, Cognos, Forest Labs and Reuters Group were today's noteworthy upgrades:

• Bernstein upgraded shares of Marathon Oil Corporation (NYSE: MRO), Tesoro Corporation (NYSE: TSO), Sunoco Incorporated (NYSE: SUN) and Valero Energy Corporation (NYSE: VLO) to Market Perform from Underperform.
• MasTec Incorporated (NYSE: MTZ) was upgraded to Buy from Accumulate at Think Equity and to Buy from Hold at SMH Capital on valuation following yesterday's sell-off.
• JP Morgan upgraded shares of Cognos Incorporated (NASDAQ: COGN) to Overweight from Neutral citing solid end demand, expanded sales capacity, indications that C8 adoption should see an uptick, and the Applix Inc (NASDAQ: APLX) acquisition.
• Forest Laboratories Inc (NYSE: FRX) was upgraded to Buy from Hold at Jefferies, as the firm believes Forest's victory in the Lexapro patent case eliminates a major overhang and returns the focus to the company's pipeline.
• Lehman upgraded shares of Reuters Group (NASDAQ: RTRSY) to Overweight from Equal Weight to reflect benefits from the company's merger with Thomson Corporation (NYSE: TOC).

OTHER UPGRADES:

• UBS upgraded shares of General Mills Inc (NYSE: GIS) to Buy from Neutral.
• Thornburg Mortgage (NYSE: TMA) was upgraded to Sector Perform from Underperform at RBC Capital Markets.
• CIBC World Markets upgraded EDO Corporation (NYSE: EDO) to Sector Outperformer from Sector Performer.
• Bernstein upgraded shares of Rio Tinto (NYSE: RTP) to Outperform from Market Perform and shares of Anglo American (NASDAQ: AAUK) to Market Perform from Underperform.