Analyst Upgrades

• Bristol-Myers (BMY) to hold from underperform at Jefferies.
• Pep Boys (PBY) to buy from hold at Stifel Nicolaus.
• Tesla Motors (TSLA) to overweight from equal weight at Morgan Stanley.
• Emerson (EMR) to buy from hold at Deutsche Bank.
• ARM Holdings (ARMH) to buy from neutral at BofA/Merrill.
• NetLogic (NETL) and Cavium Networks (CAVM) to buy from hold at Auriga.
• Aimco (AIV) to hold from sell at Citigroup.
• Ceragon Networks (CRNT) to overweight from equal weight at Barclays.

Analyst Upgrades

• Micron (MU) to buy from neutral at UBS.
• Baker Hughes (BHI) to outperform from market perform at BMO Capital.
• PDL BioPharma (PDLI) to outperform from sector perform at RBC Capital.
• Fluor (FLR) and Rush Enterprises (RUSHA) to buy from neutral at BofA/Merrill.
• Camden Property (CPT) to outperform from neutral at Macquarie.
• Pinnacle Financial (PNFP) to buy from hold at Wunderlich.
• Linear Technology (LLTC) to neutral from reduce at Nomura.
• Hologic (HOLX) and Illumina (ILMN) to buy from hold at Citigroup.
• F5 Networks (FFIV) to buy from neutral at Gleacher.

Analyst Upgrades

• Google (GOOG) to outperform from neutral at Wedbush.
• Nike (NKE) to buy from neutral at UBS.
• Apollo Group (APOL) to market perform from underperform at FBR Capital.
• JDSU (JDSU) to overweight from neutral at Piper Jaffray.
• NetApp (NTAP) to overweight from equal weight and Verigy (VRGY) to equal weight from underweight at Barclays.
• RSC Holdings (RRR) to outperform from neutral at RW Baird.
• Exelon (EXC) to buy from hold at Jefferies.
• Aon (AON) and Willis Group (WSH) to outperform from market perform at Keefe Bruyette.
• BMC Software (BMC) to outperform from neutral at Cowen.

Analyst Upgrades

• Barclays upgraded Western Digital (WDC) to overweight from equal weight.
• LDK Solar (LDK) was upgraded to buy from hold at Needham.
• Legg Mason (LM) was upgraded to outperform from neutral at Macquarie.
• Agilent (A) was upgraded to buy from hold at Stifel Nicolaus.
• Wells Fargo upgraded Dean Foods (DF) to outperform from market perform and Developers Diversified (DDR) to market perform from underperform.
• Deutsche Bank also upgraded Developers Diversified, to buy from hold.
• Northrop Grumman (NOC) was upgraded to sell from conviction sell at Goldman.
• MYR Group (MYRG) was upgraded to buy from hold at BB&T.

Analyst upgrades

• Wells Fargo upgraded Boeing (BA) to outperform from market perform. The firm is more confident about the company's earnings growth going forward.
• Oppenheimer upgraded H&R Block (HRB) to outperform from perform on expectations the company will improve performance in 2011. The firm has a $22 price target for shares.
• Deutsche Bank upgraded SunTrust (STI) to buy from hold to reflect valuation and expectations the company's credit will improve. The firm raised its target for shares to $34 from $29.
• Children's Place (PLCE) was upgraded to overweight from neutral at JPMorgan.
• Taubman Centers (TCO) was upgraded to neutral from sell at UBS.
• Cavium Networks (CAVM) was upgraded to outperform from neutral at Cowen.

MOST NOTEWORTHY: Spirit Aerosystems, Genpact and SEI Investments were today's noteworthy initiations:

• Friedman Billings believes Spirit Aerosystems (NYSE: SPR) is well-positioned on key aircraft platforms and has significant revenue visibility. The firm started shares with an Outperform rating and $33 target.
  
• Baird is positive on Genpact's (NYSE: G) recurring, non-discretionary revenue, strong growth in Global Client revenue, market leading position; shares were assumed with an Outperform rating and $16 target.
  
• SEI Investments (NASDAQ: SEIC) was initiated with a Market Perform rating and $27 target at Keefe Bruyette, as they are cautious in the near-term due to industry headwinds.

OTHER INITIATIONS:

• Merrill Lynch initiated Sirius Satellite (NASDAQ: SIRI) with a Sell rating.
  
• Lehman started Tiffany & Co (NYSE: TIF) with an Overweight rating and $52 target.
  
• Oppenheimer initiated Cavium Networks (NASDAQ: CAVM) with a Perform rating.

MOST NOTEWORTHY: Cavium Networks Inc (NASDAQ: CAVM), Travel Centers of America LLC (AMEX: TA) and MetroPCS Communications Inc (NYSE: PCS) were today's noteworthy initiations:

• Cavium Networks was initiated with a Strong Buy rating and $25 target at JMP Securities. The firm's checks indicate significant momentum for Cavium's products and cites good visibility. Cavium was also initiated with a Market Weight rating at Thomas Weisel, which finds shares fairly-valued at current levels, with a Buy rating and $25 target at Needham, with an Equal Weight rating and $22 target at Lehman Brothers, with an Equal Weight rating at Morgan Stanley and with a Buy rating and $26 target at Deutsche Bank, which expects over 50% revenue growth from 2006-2009 due to the growth in the company's network processor product line.
• TravelCenters of America was initiated with a Buy rating and $54 target at Ferris Baker Watts and with a Buy rating and $70 target at BWS Financial, as the firm is positive on TA's earnings power and valuation.
• Citigroup initiated shares of MetroPCS with a Buy rating and $40 target. The firm believes the company's coupled with deepening penetration in its core markets should produce revenue and FCF growth that exceeds the maturing industry average.

OTHER INITIATIONS:

• IntercontinentalExchange Inc (NYSE: ICE) was initiated with an Outperform rating at Credit Suisse.
• Janco initiated shares of Foundry Networks Inc (NASDAQ: FDRY) with a Buy rating and $19.50 target, as the firm believes the company's new products put it in a position to gain market share.
• CIBC World Markets initiated shares of Accuray Incorporated (NASDAQ: ARAY) with a Sector Underperformer rating and $19 target.