Upgrades
- Iberdrola (IBDRY) upgraded by Citigroup from Neutral to Buy
- Onconova Therapeutics (ONTX) upgraded by Citigroup from Neutral to Buy
- Marketo (MKTO) upgraded by Goldman from Neutral to Buy
- Apple (AAPL) upgraded by RW Baird from Neutral to Outperform
- Advanced Energy (AEIS) upgraded by Needham from Hold to Buy
- Yahoo (YHOO) upgraded by Bernstein to Outperform from Market Perform
- Altra Holdings (AIMC) upgraded by BofA/Merrill from Underperform to Buy
- Zogenix (ZGNX) upgraded by Stifel from Hold to Buy
- Susquehanna (SUSQ) upgraded by Sterne Agee from Neutral to Buy
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Downgrades
- Coca-Cola HBC (OCCH) downgraded by Nomura from Neutral to Reduce
- Wausau Paper (WPP) downgraded by Deutsche Bank from Buy to Hold
- Eagle Rock Energy (EROC) downgraded by BofA/Merrill from Buy to Neutral
- American Capital Agency (AGNC) downgraded by BofA/Merrill from Buy to Neutral
- Changyou.com (CYOU) downgraded by Brean Capital from Buy to Hold
- Key Energy (KEG) downgraded by Wunderlich from Hold to Sell
- Volcano (VOLC) downgraded by Canaccord from Buy to Hold
- Donaldson (DCI) downgraded by BofA/Merrill from Buy to Neutral
- Sunstone Hotel (SHO) downgraded by ISI Group from Buy to Neutral
- Sanmina (SANM) downgraded by Needham from Buy to Hold
- Corporate Office Properties (OFC) downgraded by Stifel from Buy to Hold
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