Top Analyst Upgrades & Downgrades (BRCD, CHSI, CBS, DGI, DG, FIO, IRG, TEG, MRVL, QSII, URI, VMI)

Source: Jon Ogg
These are some of the top analyst upgrades, downgrades and initiations seen in Wall Street research calls this Tuesday.

Brocade Communications (NASDAQ: BRCD) Cut to Hold at ThinkEquity.

Catalyst Health Solutions Inc. (NASDAQ: CHSI) Cut to Hold at Argus.

CBS Corporation (NYSE: CBS) named Bull of the Day at Zacks.

DigitalGlobe, Inc. (NYSE: DGI) Cut to Neutral at JPMorgan.

Dollar General (NYSE: DG) Reiterated Buy at BMO Capital Markets.

Fusion-io, Inc. (NYSE: FIO) Raised to Buy at Stern Agee.

Ignite Restaurant Group, Inc. (NASDAQ: IRG) Started as Outperform with $21 target at Credit Suisse; Started as Buy at Lazard.

Integrys Energy Group Inc. (NYSE: TEG) reiterated BUY with $61 target at Argus.

Marvell Technology Group Ltd. (NASDAQ: MRVL) Raised to Market Perform at JMP Securities.

Quality Systems, Inc. (NASDAQ: QSII) named Bear of the Day at Zacks.

United Rentals Inc. (NYSE: URI) Started as Overweight at Piper Jaffray.

Valmont Industries, Inc. (NYSE: VMI) named value stock of the day at Zacks.

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