Upgrades
- Piedmont Natural Gas (PNY) upgraded by RW Baird from Neutral to Outperform
 - Chesapeake Utilities (CPK) upgraded by RW Baird from Neutral to Outperform
 - Marvell Technology (MRVL) upgraded by JMP Securities from Underperform to Market Perform
 - Fusion-io (FIO) upgraded by Sterne Agee from Neutral to Buy
 - Buckeye Technologies (BKI) upgraded by RBC Capital from Sector Perform to Outperform
 - Plantronics (PLT) upgraded by Mizuho from Neutral to Buy
 - Comerica (CMA) upgraded by Stifel Nicolaus from Sell to Hold
 - Sinopec (SNP) upgraded by Jefferies from Hold to Buy
 - Zions Bancorp (ZION) upgraded by DA Davidson from Neutral to Buy
 - Mead Johnson (MJN) upgraded by Miller Tabak from Neutral to Buy
 
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Downgrades
- Navistar (NAV) downgraded by RW Baird from Outperform to Neutral
 - DigitalGlobe (DGI) downgraded by JPMorgan from Overweight to Neutral
 - Brocade (BRCD) downgraded by ThinkEquity from Buy to Hold
 - Catalyst Health (CHSI) downgraded by Argus from Buy to Hold
 - Cooper Industries (CBE) downgraded by MKM Partners from Buy to Neutral
 
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Upgrades & Downgrades provided by Theflyonthewall.com
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