Upgrades
- Premier (PINC) upgraded by Citigroup from Neutral to Buy
- Dollar Tree (DLTR) upgraded by Sterne Agee from Neutral to Buy
- Palo Alto (PANW) upgraded by Raymond James from Outperform to Strong Buy
- Twitter (TWTR) upgraded by Cantor from Hold to Buy
- CoreSite Realty (COR) upgraded by Cantor from Sell to Hold
- AngloGold (AU) upgraded by HSBC from Neutral to Overweight
- Biogen (BIIB) upgraded by JPMorgan from Neutral to Overweight
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Downgrades
- Hershey (HSY) downgraded by Argus from Buy to Hold
- Energias de Portugal (EDPFY) downgraded by Citigroup from Neutral to Sell
- New Jersey Resources (NJR) downgraded by Brean Capital from Buy to Hold
- Credit Suisse (CS) downgraded by BofA/Merrill from Buy to Neutral
- MedAssets (MDAS) downgraded by Citigroup from Buy to Neutral
- Dollar General (DG) downgraded by Sterne Agee from Buy to Neutral
- Manchester United (MANU) downgraded by JPMorgan from Overweight to Neutral
- National Grid (NGG) downgraded from Outperform to Neutral
- Fiat (FIATY) downgraded by Bernstein from Market Perform to Underperform
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Upgrades & Downgrades provided by Theflyonthewall.com 
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