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.

Analyst upgrades

• Wells Fargo upgraded Boeing (BA) to outperform from market perform. The firm is more confident about the company's earnings growth going forward.
• Oppenheimer upgraded H&R Block (HRB) to outperform from perform on expectations the company will improve performance in 2011. The firm has a $22 price target for shares.
• Deutsche Bank upgraded SunTrust (STI) to buy from hold to reflect valuation and expectations the company's credit will improve. The firm raised its target for shares to $34 from $29.
• Children's Place (PLCE) was upgraded to overweight from neutral at JPMorgan.
• Taubman Centers (TCO) was upgraded to neutral from sell at UBS.
• Cavium Networks (CAVM) was upgraded to outperform from neutral at Cowen.