These are some of the top analyst upgrades, downgrades, and initiations seen from Wall Street brokerage and research firms this Tuesday morning.

AON Corporation (NYSE: AON) Cut to Neutral at Citigroup.
AstraZeneca (NYSE: AZN) Cut to Underperform at BofA/ML.
Cisco Systems, Inc. (NASDAQ: CSCO) Reiterated Outperform with $26 target at Credit Suisse.
Digital Realty (NYSE: DLR) Started as Sell at Cantor Fitzgerald.
Digital River Inc. (NASDAQ: DRIV) Cut to Hold at Argus.
Henry Schein, Inc. (NASDAQ: HSIC) Cut to Neutral at Credit Suisse.
International Business Machines Corporation (NYSE: IBM) Started as Buy with $230 target at Stern Agee.  (LINK: FULL DETAILS)
Pep Boys-Manny, Moe & Jack Inc. (NYSE: PBY) Cut to Hold at Argus.
Salesforce.com (NYSE: CRM) named Bear of the Day at Zacks.
Senior Housing Properties Trust (NYSE: SNH) Cut to Hold at Stifel Nicolaus.
Seaspan Corporation (NYSE: SSW) Cut to Market Perform at Wells Fargo.
Sirius Satellite Radio, Inc. (NASDAQ: SIRI) Started as Underweight at Barclays.
Sohu.com Inc. (NASDAQ: SOHU) downgraded to Hold at RBS and Cut to Neutral at Susquehanna.
Sunoco Logistics, LP (NYSE: SXL) named as Bull of the Day at Zacks.
Thor Industries, Inc. (NYSE: THO) named Value stock of the day at Zacks.
Urban Outfitters Inc. (NASDAQ: URBN) Cut to Sell at Brean Murray.
Zoltek Companies, Inc. (NASDAQ: ZOLT) Cut to Underperform at Needham (LINK: FULL SUMMARY).

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JON C. OGG

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