Analysts' Actions: ADTN CMI COG DRI MSFT

NEW YORK ( TheStreet) -- CHANGE IN RATINGS

Adtran ( ADTN) was downgraded at Citigroup to sell from neutral. $12.50 price target. Challenges in its mainstay wireline access franchise, Citi said.

America Movil ( AMX) downgraded to hold at TheStreet Ratings.

Biostar Pharmaceuticals ( BSPM) downgraded to sell at TheStreet Ratings.

Bob Evans ( BOBE) was downgraded at Keybanc from buy to hold. $45 price target. Management is taking multiple steps to improve shareholder value, Keybanc said.

Cummins ( CMI) was initiated with an outperform rating at Robert Baird. $119 price target. Truck orders should pick up in 2013, and new orders should help drive growth, Baird said.

Cabot Oil & Gas ( COG) was initiated with a neutral rating at UBS. $50 price target. Marcellus constraints won't be fixed until mid 2013, UBS said.

Concho ( CXO) was initiated with a buy rating at UBS. $93 price target. Asset oiliness and well productivity are underappreciated, UBS said.

Darden Restaurants ( DRI) was downgraded at Jefferies to hold from buy. $47 price target. Finding it tougher to turn SSS trends, Jefferies said.

Chart Industries ( GTLS) was initiated with a hold rating at Stifel Nicolaus. Company lacks near-term catalysts, Stifel Nicolaus said.

Kodiak Oil and Gas ( KOG) was initiated with a buy rating at UBS. $12 price target. Expect higher capital efficiency in 2013 and upside to consensus production, UBS said.

Liberty Media ( LMCA) was downgraded at Wunderlich from buy to hold. $110 price target. Company lost DIS studio content to NFLX, Wunderlich said.

Limited ( LTD) was initiated with a market perform rating at FBR Capital Markets. $50 price target. Sales momentum has been decelerating at Victoria's Secret, FBR said.

NVIDIA ( NVDA) was downgraded at Oppenheimer to perform from outperform. Hard to ignore PC outlook, Oppenheimer said.

VeriFone ( PAY) was upgraded at UBS to buy from neutral. $39 price target. Risk/reward tilts favorably, UBS said.

PNC Financial ( PNC) was upgraded at Compass Point from neutral to buy. $63 price target. Stock is already pricing in lower net interest income, Compass Point said.

Portland General ( POR) was initiated with a hold rating at Keybanc. Company is spending a lot and faces near-term rate decisions, Keybanc said.

Bankrate ( RATE) was initiated with a buy rating at Needham. $15 price target. Company is a high-quality operator with high barriers to entry, Needham said.

Supernus Pharmaceuticals ( SUPN) was initiated with a buy rating at Lazard. $16 price target. New epilepsy drugs should drive growth, Lazard said.

Tibco ( TIBX) was downgraded at Bank of America/Merrill Lynch from buy to neutral. $26 price target. Company is seeing lower results across the board, BofA/Merrill said.

WABCO ( WBC) was downgraded at William Blair to market perform from outperform. Valuation call and potential downward EPS revisions, Blair said. $65 price target.

Wesco ( WCC) was downgraded at FBR Capital Markets from outperform to market perform. $66 price target. Stock also cut from Top Picks list. Lower organic growth may cut into margins over the coming quarters, FBR Capital Markets said.

Whitewave Foods ( WWAV) was initiated with a buy rating at Bank of America/Merrill Lynch. $18 price target. Company can grow twice as fast as its peers, BofA/Merrill said.

STOCK COMMENTS / EPS CHANGES

Altera Corp ( ALTR) numbers lowered at Jefferies. Shares of ALTR now seen reaching $35, Jefferies said. Estimates also lowered on mid- quarter update. Hold rating.

Darden Restaurants ( DRI) numbers cut at UBS. Shares of DRI now seen reaching $52, UBS said. Estimates also lowered on negative F2Q preannouncement. Buy rating.

Baker Hughes ( BHI) estimates reduced at Guggenheim through 2013, Guggenheim said. Company is seeing slower international demand. Neutral rating and $50 price target.

Edwards Lifesciences ( EW) numbers raised at Citigroup. Shares of EW now seen reaching $98, Citigroup said. Estimates also increased on greater US TAVI revenues. Neutral rating.

Coca-Cola ( KO) estimates lowered at JP Morgan through 2013, JP Morgan said. Company is leveraged to slower international growth. Neutral rating and $43 price target.

Mattress Firm ( MFRM) numbers cut at Keybanc. MFRM estimates were reduced through 2013, Keybanc said. Company is facing increased competition. Buy rating and new $34 price target.

Microsoft ( MSFT) estimates, target cut at MKM. Shares of MSFT now seen reaching $28, according to MKM Partners. Estimates also reduced, as recent checks show lower demand for Windows 8 Surface.

Vail Resorts ( MTN) numbers reduced at JMP. MTN estimates were cut through 2013, JMP Securities said. Company has had a slow start to its season. Outperform rating and new $60 price target.

Regal Beloit ( RBC) numbers boosted at JMP. Shares of RBC now seen reaching $78, according to JMP Securities. Estimates also upped, as new products should help drive growth over the coming quarters. Outperform rating.

AT&T ( T) estimates trimmed at Citigroup through 2013, Citigroup said. Accelerated network investments. $39 price target and Buy rating.

TIBCO Software ( TIBX) numbers lowered at Jefferies. Shares of TIBX now seen reaching $25, Jefferies said. Estimates also lowered on weakness throughout BI/data analytics. Buy rating.

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