Today's Upgrades and Downgrades...

These are some of Monday’s top analyst upgrades, downgrades, and initiations seen from Wall Street research calls.

Aetna Inc. (NYSE: AET) Raised to Conviction Buy List at Goldman Sachs.

AMERIGROUP Corporation (NYSE: AGP) Raised to Buy at Goldman Sachs.

Eni SpA (NYSE: E) Raised to Buy at S&P.

JB Hunt Transport Services Inc. (NASDAQ: JBHT) Cut to Hold at Stifel Nicolaus.

Juniper Networks, Inc. (NYSE: JNPR) Raised to Outperform at RBC.

The Kroger Co. (NYSE: KR) Started as Neutral at JPMorgan.

News Corp. (NASDAQ: NWSA) Started as Neutral at UBS.

RPC, Inc. (NYSE: RES) Raised to Buy at Canaccord Genuity.

Safeway Inc. (NYSE: SWY) Started as Neutral at JPMorgan.

Salesforce.com (NYSE: CRM) Cut to Equal-weight at Global Equities Research.

SanDisk Corporation (NASDAQ: SNDK) Cut to Neutral at Stern Agee; named value stock of the day at Zacks.

Tanger Factory Outlet Centers Inc. (NYSE: SKT) Cut to Neutral at Credit Suisse.

TMS International Corp. (NYSE: TMS) Started as Outperform with $11 target at Credit Suisse.

Vodafone Group Plc (NYSE: VOD) Cut to Underperform as Bear of the Day at Zacks.

Watson Pharmaceuticals, Inc. (NYSE: WPI) named as Bull of the Day at Zacks.

Weyerhaeuser Co. (NYSE: WY) Raised to Hold at Deutsche Bank.

Whole Foods Market Inc. (NASDAQ: WFM) Started as Neutral at JPMorgan.