Analysts' Actions: GRPN, F, AAPL, DNKN, AEO

NEW YORK (TheStreet) -- CHANGE IN RATINGS

American Eagle (AEO) upgraded at Janney from Neutral to Buy. Checks suggest that the company had strong holiday sales. Margins should also improve.

Acme Packet (APKT) downgraded at Wedbush from Outperform to Neutral, Wedbush said. $26 price target. Weak SP business will continue to weigh on results.

Acme Packet downgraded at Deutsche from Buy to Hold, Deutsche Bank said. $30 price target. Company is seeing weaker demand across the board.

Best Buy (BBY) downgraded to hold at TheStreet Ratings.

Church & Dwight (CHD) downgraded at BMO from Outperform to Market Perform. $48 price target. Valuation call, as the stock was up 33% last year.

Clearwire (CLWR) downgraded at Kaufman from Buy to Hold, Kaufman Bros. said. $2 price target. Revenue could be flattish this year and the company may need additional funding.

Chipotle (CMG) added to Conviction Buy List at Goldman Sachs. Higher sales can drive margin expansion.

Compass Minerals (CMP) downgraded at Ticonderoga from Buy to Neutral, Ticonderoga said. Estimates also cut, given lower snowfall levels.

Dunkin Brands (DNKN) upgraded at Goldman from Sell to Neutral, Goldman Sachs said. Valuation call.

Energizer (ENR) downgraded at BMO from Outperform to Market Perform, BMO Capital said. $83 price target. Valuation call, as the stock is up 23% over the past three months.

Ford (F) rated new Neutral at Guggenheim. Demand could remain slow across the board in 2012.

Fusion-io (FIO) rated new Hold at Benchmark. Valuation call.

General Motors (GM) rated new Neutral at Guggenheim. Demand will likely remain slow in Europe.

GNC (GNC) rated new Buy at Deutsche. $36 price target. Checks suggest that industry growth trends remain intact.

Groupon (GRPN) rated new Neutral at Collins Stewart. $19 price target. Growth appears to be slowing.

Harsco Corporation (HSC) downgraded at KeyBanc from Buy to Hold. Persisting demand challenges in two largest business segments.

Heartland Express (HTLD) downgraded at Morgan Keegan from Outperform to Market Perform, Morgan Keegan said. Valuation call, based on a $15 price target.

Johnson Controls (JCI) rated new Buy at Guggenheim. Profitability should continue to improve in North America.

NetApp (NTAP) downgraded at Credit Suisse from Outperform to Neutral, Credit Suisse said. $42 price target. Survey suggests that growth could slow in the company's core business.

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