MOST NOTEWORTHY:

• Lehman downgraded STMicroelectronics (NYSE: STM) to Underweight from Overweight, as they expect the company to underperform its peers.
• UBS downgraded Biogen Idec Inc (NASDAQ: BIIB) to Sell from Neutral, citing valuation and their belief that there would be no significant premium if the company was bought.
• American Community Bancshares (NASDAQ: ACBA) was downgraded to Hold from Buy at Stifel, based on valuation.
• Goldman Sachs downgraded Crosstex Energy Inc (NASDAQ: XTXI) to Neutral from Buy, citing valuation.

• PepsiAmericas Inc (NYSE: PAS) was downgraded to Underweight from Neutral by HSBC.
  
• Amodcs Ltd (NYSE: DOX) was removed from the Conviction Buy List by Goldman Sachs.
  
• Citigroup assumed coverage of Tenneco Inc (NYSE: TEN) with a Sell from a Hold.
  
• Morgan Stanley downgraded LDK Solar (NYSE: LDK) to Equal Weight from Overweight.

Analyst downgrades: STM, BIIB, ACBA and XTXI originally appeared on BloggingStocks on Thu, 13 Sep 2007 11:05:00 EST. Please see our terms for use of feeds.