Analyst Upgrades

• Goldman upgraded Eaton (ETN) to conviction buy from neutral.
• AECOM Technology (ACM) was upgraded to outperform from neutral at Macquarie.
• Piper Jaffray upgraded Hologic (HOLX), Gen-Probe (GPRO) and Qiagen (QGEN) to overweight from neutral.
• GeoMet (GMET) was upgraded to accumulate from neutral at Global Hunter.
• Accretive Health (AH) was upgraded to outperform from neutral at RW Baird.
• Morgan Stanley upgraded Reinsurance Group (RGA) to overweight from equal weight.
• BofA/Merrill upgraded Clearwire (CLWR) to neutral from underperform.

Analyst Upgrades

• UBS said Martin Marietta's (MLM) Q2 showed evidence of leverage to a recovery and the firm views risk/reward in shares as attractive. Shares were upgraded to buy from neutral, but its price target was lowered to $96 from $101.
• Soleil upgraded Regis (RGS) to buy from hold after the company said it is exploring strategic options. The firm raised its target for shares to $26 from $14.
• Wunderlich upgraded Sirius XM Radio (SIRI) to buy from hold with a $1.50 price target following the company's Q2 results. The firm believes Sirius' product continues to resonate with healthier higher-end consumers and notes that CEO Mel Karmazin said a resolution could be reached with Howard Stern by the Q3 conference call.
• Magellan Midstream (MMP) was upgraded to outperform from sector perform at RBC Capital.
• Savient (SVNT) was upgraded to neutral from underperform at BofA/Merrill.
• EMS Tech (ELMG) was upgraded to buy from hold at Needham.