Top Analyst Upgrades and Downgrades (ARCO, CHD, CVS, CBST, FE, G, GRPN, HCN, IAG, JIVE, MGM, PCLN, PG, RAX, TSLA, PAY, RIMM)

Arcos Dorados Holdings Inc. (NYSE: ARCO) started as Neutral at Credit Suisse.

Church & Dwight Co. Inc. (NYSE: CHD) raised to Buy at SunTrust Robinson Humphrey.

CVS Caremark Corp. (NYSE: CVS) raised to Outperform at BMO Capital Markets.

Cubist Pharmaceuticals Inc. (NASDAQ: CBST) started on the Conviction Buy List at Goldman Sachs.

FirstEnergy Corp. (NYSE: FE) cut to Market Perform at BMO and cut to Neutral at UBS.

Genpact Ltd. (NYSE: G) cut to Underperform at BofA/ML.

Groupon Inc. (NASDAQ: GRPN) cut to Neutral at Stern Agee.

Health Care REIT Inc. (NYSE: HCN) raised to Buy at Stifel Nicolaus.

IAMGOLD Corp. (NYSE: IAG) cut to Neutral at Credit Suisse.

Jive Software Inc. (NASDAQ: JIVE) cut to Neutral at Citigroup.

MGM Resorts International (NYSE: MGM) cut to Equal Weight at Morgan Stanley.

Priceline.com Inc. (NASDAQ: PCLN) cut to Hold at Stifel Nicolaus; shares down double-digit percentage after earnings and guidance.

Procter & Gamble Co. (NYSE: PG) named as Bear of the Day with Underperform rating at Zacks.

Rackspace Hosting, Inc. (NYSE: RAX) raised to Buy at Jefferies; shares up double-digit percentage gains after earnings.

Tesla Motors Inc. (NASDAQ: TSLA) started as Neutral at BofA/ML.

VeriFone Systems Inc. (NYSE: PAY) cut to Neutral at UBS.

The Globe & Mail in Canada reported on a Jefferies analyst calling the best opportunity for Research In Motion Ltd. (NASDAQ: RIMM) is to partner up with Samsung in the fight against Apple Inc. (NASDAQ: AAPL) and Google Inc. (NASDAQ: AAPL) for iPhone and Android dominance.

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JON C. OGG