Upgrades
- MEDNAX (MD) upgraded by Deutsche Bank from Hold to Buy
- PennyMac (PFSI) upgraded by Jefferies from Hold to Buy
- LabCorp (LH) upgraded by UBS from Neutral to Buy
- United Continental (UAL) upgraded by UBS from Neutral to Buy
- Waddell & Reed (WDR) upgraded by Goldman from Neutral to Buy
- Gastar Exploration (GST) upgraded by SunTrust from Neutral to Buy
- Rubicon (RBCN) upgraded by JPMorgan from Neutral to Overweight
- Denison Mines (DNN) upgraded by Credit Suisse from Underperform to Neutral
- Tableau (DATA) upgraded by RW Baird from Neutral to Outperform
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Downgrades
- Oasis Petroleum (OAS) downgraded by Deutsche Bank from Buy to Hold
- Clean Harbors (CLH) downgraded by KeyBanc from Buy to Hold
- Beam (BEAM) downgraded by Stifel from Buy to Hold
- Potash (POT) downgraded by Cantor from Buy to Hold
- Alaska Air (ALK) downgraded by Evercore from Overweight to Equal Weight
- General Cable (BGC) downgraded by DA Davidson from Buy to Neutral
- InvenSense (INVN) downgraded by Oppenheimer from Outperform to Perform
- Alexandria Real Estate (ARE) downgraded by Citigroup from Buy to Neutral
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Upgrades & Downgrades provided by Theflyonthewall.com 
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