Analyst Upgrades

• Advance Auto Parts (AAP) was upgraded to Perform from Underperform at Oppenheimer.
• Macquarie upgraded Gen-Probe (GPRO) and Beckman Coulter (BEC) to neutral from underperform.
• Tyco (TYC) was upgraded to neutral from reduce at Nomura.
• BofA/Merrill upgraded Cousins Properties (CUZ) to buy from underperform.
• Morgan Stanley upgraded Energy Conversion (ENER) to equal weight from underweight.
• Thermo Fisher (TMO) was upgraded to buy from hold at Auriga.

Analyst upgrades

• UBS upgraded CF Industries (CF) to neutral from sell. The firm cites valuation for the upgrade. In addition, UBS raised its price target on shares to $84 from $81.
• Baird upgraded Johnson Controls (JCI) to outperform from neutral and raised its price target to $42 from $33. The upgrade was based on improving margins, China growth, and upside from a cyclical recovery.
• Barrington upgraded G&K Services (GKSR) to outperform from market perform ahead of the company's Q3 results to reflect optimism regarding the company's operational turnaround. The firm set a $35 price target for shares.
• LaSalle Hotel (LHO) was upgraded to top pick from outperform at RBC Capital.
• Zimmer (ZMH) was upgraded to overweight from neutral at JPMorgan.
• Thermo Fisher (TMO) was upgraded to buy from hold at Jefferies.

Quarterly reports continue to roll out this week, with results due from Allstate Corp. (ALL), Coca-Cola Co. (KO), Marriott International Inc. (MAR), Molson Coors Brewing Co. (TAP), New York Times Co. (NYT), Pepsico Inc. (PEP), Sprint Nextel Corp. (S), Viacom (VIA), Walt Disney Co. (DIS) and many others. Here's a look at a few of the companies that analysts surveyed by Thomson Reuters expect to be the biggest earnings gainers this week.

Analysts are looking for Coinstar Inc. (CSTR), which distributes coin-counting, DVD-rental, and other self-service kiosks, to report that its fourth-quarter earnings more than doubled from a year ago to $0.32 per share. Revenue for the three months that ended in December is expected to have jumped 26.1% to $329.2 million. The analysts' forecast for the full year calls for earnings of $0.94 per share (+46.8%) on $1.2 billion in revenue (+25.9%). Coinstar has beat earnings estimates in the past three quarters, by as much as six cents per share.

MOST NOTEWORTHY: Lululemon, NaviSite, Research in Motion, Palm and Motorola were today's noteworthy initiations:

• Lululemon Athletica (NASDAQ: LULU) was initiated with a Neutral rating and $42 target at Credit Suisse on valuation.
• NaviSite Inc (NASDAQ: NAVI) was initiated with a Buy rating at Merriman after reporting solid Q4 results. Merriman expects the company's recent acquisitions to significantly increase margins.
  
• Citigroup believes Research in Motion Limited (NASDAQ: RIMM) is not a pure momentum stock as fundamentals are driving share appreciation. They think the company's subscriber growth is beginning to hit critical mass and expect 15M subscribers within 12 months. The firm started shares with a Buy rating and $115 target.
  
• Citigroup also initiated shares of Palm Inc (NASDAQ: PALM) with a Sell rating and $13.50 target, expecting the company's market share losses to continue to EPS to decline.
  
• Citigroup started Motorola Inc (NYSE: MOT) with a Hold rating and $20 target, as they believe its recovery may take longer than expected, noting its new silicon platform does not come out until 2H08.

OTHER INITIATIONS:

• Banc of America initiated On Semiconductor (NASDAQ: ONNN), Mettler-Toledo International Inc (NYSE: MTD) and Thermo Fisher Scientific Inc (NYSE: TMO) with Buy ratings and a $16 target, $120 target and $65 target.
  
• Deutsche Bank started GSI Commerce Inc (NASDAQ: GSIC) and Universal Electronics (NASDAQ: UEIC) with Buy ratings and targets of $52 and $31, respectively.
  
• RBC Capital Markets resumed coverage of Whole Foods Market Inc (NASDAQ: WFMI) with an Outperform rating and $55 target.