Analyst upgrades:

• Deutsche Bank upgraded Blackrock (NYSE: BLK) to Buy from Hold as it believes the BGI acquisition is becoming more accretive with the market rally and that the company's core trends are healthy. The firm raised its target on shares to $230 from $180.
• Citigroup upgraded Burlington Northern (NYSE: BNI) to Hold from Sell as it believes the risk/reward on shares is balanced based on 2010 estimates. Citi raised its target on shares to $89 from $75.
• Auriga upgraded Eclipsys (NASDAQ: ECLP) to Buy from Hold on expectations the company's margin expansion initiatives will drive benefits in 2010 and 2011. The firm raised its target on shares to $24 from $16.
• Seagate (NASDAQ: STX) was upgraded to Overweight from Market Weight at Thomas Weisel and to Buy from Hold at Deutsche Bank.
• Web.com (NASDAQ: WWWW) was upgraded to Outperform from Market Perform at FBR Capital.
• CenturyTel (NYSE: CTL) was upgraded to Overweight from Equal Weight at Morgan Stanley.

Analyst upgrades:

• Ericsson (NASDAQ: ERIC) was upgraded to Add from Hold at WestLB.
  
• JP Morgan upgraded Shire Plc (NASDAQ: SHPGY) to overweight from Neutral to reflect Vyvanse share gains and valuation.
  
• Wachovia upgraded Jefferies (NYSE: JEF) to Market Perform from Underperform because they believe that the recent collapse of the large cap bank sector, Jefferies' cash equity business, and the company's partial privatization as a result of its Leucadia investment will shield shares.
  
• Canaccord upgraded Amylin Pharma (NASDAQ: AMLN) to Hold from Sell.
• ADC Telecomm (NASDAQ: ADCT) was upgraded to Buy from Hold at Kaufman Bros. on valuation following the recent weakness.
• STEC Inc (NASDAQ: STEC) and Popular (NASDAQ: BPOP) were raised to Buy from Neutral at B. Riley.
  

• Merrill downgraded Disney (NYSE: DIS) to Underperform from Neutral and cut its target to $27 from $34 citing the impact from the current economic climate on earnings.
  
• Barclays downgraded IBM (NYSE: IBM) to Equal Weight from Overweight citing the impact from the weakening economy and the company's large exposure to the financial services industry. IBM's target was cut to $108 from $130.
  
• Jefferies downgraded Salesforce.com (NYSE: CRM) to Underperform from Buy on increased risks of deteriorating payment terms and price pressure on renewals. The company's target was lowered to $36 from $75.
• Goldman downgraded First Solar (NASDAQ: FSLR) and added shares to the Conviction Sell List.