Analyst Upgrades and Downgrades...

Altera Corp. (ALTR) price target cut to $26.60 from $31.70; rating outperform at Macquarie


• Amazon.com Inc. (AMZN) price target cut to $150 from $155 at BofA Merrill

• Baker Hughes Inc. (BHI) price target cut to $47 from $61; rating cut to market perform from outperform at FBR

• Diamond Offshore Drilling (DO) rating cut to sell from neutral at Goldman Sachs

• eBay Inc. (EBAY) price target cut to $27 from $28 at BofA Merrill

• Ensco Plc. (ESV) price target cut to $55 from $63 at FBR

• Expedia Inc. (EXPE) price target cut to $29 from $30 at BofA Merrill

• Google Inc. (GOOG) price target cut to $630 from $685 at BofA Merrill

• Halliburton Co. (HAL) price target to $38 from $44 at FBR

• Nabors Industries (NBR) rating raised to buy from neutral at Goldman Sachs

• Noble Corp. (NE) rating cut to neutral from buy at Goldman Sachs

• Rowan Companies Inc. (RDC) price target cut to $24 from $26 at FBR

• Schlumberger (SLB) price target cut to $85 from $96 at FBR

• Yahoo (YHOO) price target cut to $20 from $21 at BofA Merrill