Analyst Upgrades

• Sapient (SAPE) to outperform from market perform at Wells Fargo.
• Kroger (KR) to buy from neutral at UBS.
• Harman (HAR) to overweight from neutral and Deutsche Bank (DB) to neutral from underweight at JPMorgan.
• Savient (SVNT) to outperform from market perform at JMP Securities.
• LabCorp (LH) to buy from hold at Deutsche Bank.
• Optimer Pharm (OPTR) and Landstar System (LSTR) to outperform from neutral at RW Baird.
• Essex Property Trust (ESS) to buy from neutral at Janney Capital.
• Tyson Foods (TSN) to neutral from sell at Goldman.
• Host Hotels (HST) to outperform from sector perform at RBC Capital.
• SPX Corp. (SPW) to outperform from market perform at FBR Capital.

Here are some highlights from this past week's earnings coverage on BloggingStocks:

• Ark Restaurants Corp. (ARKR) shares declined after Q4 earnings fell short of consensus expectations.
• Azz Inc. (AZZ) Q3 net income fell more than expected but the company reaffirmed its earnings outlook.
• Bed Bath & Beyond Inc. (BBBY) reported strong Q3 results, sending shares to a new 52-week high.
• Best Buy Inc. (BBY) declined to lift its earnings forecast despite strong December sales, send shares lower.
• Constellation Brands Inc. (STZ) lower Q3 earnings topped expectations and revenue declined as well.

Analyst Upgrades

• Baird upgraded United Parcel Service (UPS) to outperform from neutral based on operating leverage, improving industry pricing and exposure to a cyclical recovery. The firm raised its target to $70 from $61.
• JMP Securities upgraded Qualcomm (QCOM) following positive wireless industry checks. The firm, which has a $60 target on the stock, believes Qualcomm is the best positioned wireless company to enable 3G deployments and the early ramp of 4G technology.
• Credit Suisse has taken a more positive stance on the potash sector given the settlement of the Chinese contracts and improving near-term fundamentals. The firm upgraded Potash (POT) to outperform from neutral and raised its price target to $135 from $119. Credit Suisse also raised Intrepid Potash (IPI) to neutral from underperform and raised its price target to $30 from $28.
• Avery Dennison (AVY) was raised to outperform from neutral at Baird.
• Biogen Idec (BIIB) was upgraded at BofA/Merrill to neutral from underperform.
• RadioShack (RSH) was upgraded to conviction buy from neutral at Goldman.

MOST NOTEWORTHY: First Financial, TriZetto and General Electric were today's noteworthy downgrades:

• Keefe Bruyette downgraded shares of First Financial (NASDAQ: FFBC) to Underperform from Market Perform on valuation, as they believe the stock trades at a premium to the group despite limited upside to normalized earnings and near term revenue headwinds.
  
• TriZetto (NASDAQ:TZIX) was cut at Jefferies to Hold from Buy based on Friday's go-private announcement, as they view the $22 deal price as fair.
  
• General Electric (NYSE: GE) was downgraded to Peer Perform from Outperform at Bear Stearns and to Perform from Outperform at Oppenheimer following the company's earnings miss and reduced guidance.

OTHER DOWNGRADES:

• Deustche Bank downgraded SPX Corp (NYSE: SPW) to Hold from Buy.
  
• Morgan Stanley cut British Airways (OTC:BAIRY) to Underweight from Equal Weight.
  
• Cymer (NASDAQ: CYMI) was lowered at Credit Suisse to Underperform from Neutral.

The domestic automotive business has been beaten and torn by foreign competition for several years now, forcing many auto-parts producers, such as Tower Automotive Inc. and Delphi Corp. (OTC: DPHIQ) into bankruptcy proceedings.

A growing number of auto-part manufacturers are leaving the U.S. automobile industry altogether, divesting auto-related businesses and diversifying into other, more profitable industries. The Wall Street Journal highlighted the latest companies [subscription required] trying to make the switch to stay alive:

• SPX Corp (NYSE: SPW), a North Carolina auto manufacturer that once earned 90% of its revenue from auto-related businesses, now earns less than 3% from auto-related businesses after multiple divestitures and acquisitions. SPX Corp is now an infrastructure-related products and service manufacturer for the global power market.

• Pittsburgh-based glass and coatings manufacturer PPG Industries Inc (NYSE: PPG) has put its windshield business up for sale. The company instead will rely on its high-tech coatings business and optical & specialty material segments that offer long-term growth potential.

MOST NOTEWORTHY: J.B. Hunt Transport Services, Inc (JBHT), Nvidia Corp (NVDA), International Flavors & Fragrances Inc (IFF), RealNetworks, Inc (RNWK) and Marchex (MCHX) were today's noteworthy upgrades:

• Baird upgraded J.B. Hunt Transport Services Inc (NASDAQ: JBHT) to Outperform from Market Perform based on strong trends in Intermodel, valuation, and a $500M share buyback.

• Pacific Growth upgraded shares of Nvidia Corp (NASDAQ: NVDA) to Buy from Neutral citing valuation.

• Buckingham upgraded International Flavors (NYSE: IFF) to Accumulate from Neutral following the company's Q1 report.

• RealNetworks Inc (NASDAQ: RNWK) was raised to Buy from Accumulate at ThinkEquity after its Q1 report.

• Susquehanna upgraded Marchex Inc (NASDAQ: MCHX) to Positive from Neutral. Susquehanna has increased confidence that Marchex will be able to increase monetization via Yahoo!'s (YHOO) Panama upgrade, improving 2008 TAC rates and increased value of owned sites following a major upgrade for 2H07.
  

OTHER UPGRADES:

• Jefferies raised Symantec Corp (NASDAQ: SYMC) shares to Buy from Hold with a $21 target.

• JP Morgan upgraded Comverse Technology Inc (NASDAQ: CMVT).

• Raytheon Co (NYSE: RTN) was upgraded to Overweight from Equal Weight at Lehman Brothers.

• SPX Corp (NYSE: SPW) was raised to Neutral from Underperform at Needham.

• Wachovia upgraded IntercontinentalExchange, Inc (NYSE: ICE) to Outperform from Market Perform.

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