Upgrades and Downgrades for 5.1.2012

shutterstock 27997346– Targa Resources (TRGP) upgraded to Outperform from Neutral: Robert W. Baird

– Apollo Commercial Real Estate (ARI) downgraded to Hold from Buy: Stifel Nicolaus

– Herbalife (HLF) price target to $86 from $83: Caris & Company

– Simon Properties (SPG) price target to $162 from $152: Imperial Capital