Analysts' Actions: BlackRock, TD Ameritrade, TJX Companies, Twitter, More

NEW YORK (TheStreet) -- RATINGS CHANGES

Barrick Gold (ABX) was downgraded at Deutsche Bank to hold from buy. Company's ability to deleverage in low gold environment is a concern, Deutsche Bank said.

AmerisourceBergen (ABC) was upgraded to buy at TheStreet Ratings. You can view the full analysis from the report here: ABC Ratings Report

Watch the video below for more of Monday's analysts' actions:

American Tower (AMT) was downgraded at Goldman Sachs to neutral. Valuation call, based on a 12-month price target of $106, Goldman said.

TD Ameritrade (AMTD) was upgraded at Citigroup to buy. Twelve-month price target is $40. Company has best organic growth in the group, Citigroup said.

Alliant Techsystems (ATK) was downgraded at RBC Capital to sector perform from outperform. Twelve-month price target is $125. Sporting outlook is weaker and the fate of the Orbital Sciences (ORB) merger is less clear, RBC Capital said.

BlackRock (BLK) was upgraded at Citigroup to buy. Twelve-month price target is $385. Company will likely gain market share from PIMCO and deserves a higher multiple, Citigroup said.

Biomarin (BMRN) was upgraded at Wells Fargo to outperform from market perform. Company has multiple potential clinical catalysts in 2015, Wells Fargo said.

Crown Castle (CCI) was downgraded at Nomura to neutral from buy. Valuation call, based on an $80 price target. Company is seeing lower growth but still offers an attractive dividend yield, Nomura said.

Crown Castle was upgraded at Goldman Sachs to buy. Twelve-month price target is $94. Company offers an attractive yield and growth potential, Goldman Sachs said.

Citizens Financial Group (CFG) was initiated with an equal-weight rating at Barclays. The 13th largest retail bank in U.S. has an attractive market share, the potential to drive meaningful returns, a strong balance sheet and a solid management team, Barclays said. Twelve-month price target is $26.

Rockwell Collins (COL) was upgraded at Wells Fargo to outperform. OEM business is growing and the company is buying back more stock, Wells Fargo said.

Ellie Mae (ELLI) was upgraded at JMP Securities to outperform from market perform. Twelve-month price target is $47. Company is positioned well for a recovery in growth for mortgage originations, JMP Securities said.

Eastman Chemical (EMN) was upgraded at Jefferies to buy from hold. Discount to large-cap peers should narrow over 12-18 months as company integrates recent acquisition, allays concerns over headwinds and generates strong cash flow, Jefferies said. Twelve-month price target was raised to $96 from $82.

Finisar (FNSR) was downgraded to hold at TheStreet Ratings. You can view the full analysis from the report here: FNSR Ratings Report

Israel Chemicals (ICL) was initiated with an overweight rating at Barclays. Attractively valued with shares off 5.7% since IPO, Barclays said. Initial price target is set at $9.

Matson (MATX) was downgraded at FBR Capital Markets to market perform from outperform. Valuation call, based on a 12-month price target of $30, FBR Capital Markets said.

National Oilwell Varco (NOV) was downgraded at Credit Suisse to neutral from outperform. Twelve-month price target was lowered to $77 from $95 on revised EPS due to onshore and offshore market slowdowns and fear of near-term catalysts, Credit Suisse said.

Nvidia (NVDA) was upgraded at Pacific Crest to sector perform. Company is gaining market share and should benefit from delays at Advanced Micro Devices (AMD) , Pacific Crest said.

RealPage (RP) was upgraded at JMP Securities to outperform from market perform. Twelve-month price target is $25. Company reportedly rejected a private equity takeover bid, JMP Securities said.

Spirit AeroSystems (SPR) was upgraded at J.P. Morgan to overweight. Company is making major progress in the A350, as the new management team is turning the business around, J.P. Morgan said.

SPX (SPW) was upgraded at Wedbush to outperform from neutral. Twelve-month price target is $116. Pullback has created a buying opportunity, Wedbush said.

TJX Companies (TJX) was upgraded to outperform at Wedbush. Off-price earnings outlook is better than for specialty retail, Wedbush said. Twelve-month price target is $68.

Twitter (TWTR) was initiated with an equal-weight rating at Morgan Stanley. Accelerating user adds in 2015 are baked into consensus and potentially optimistic, Morgan Stanley said.

Editor's note: To see analysts' stock comments and changes to price targets and earnings estimates, go to "Street Notes" which is available only to Real Money subscribers. To find out how to become a subscriber, please click here.

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This article was written by a staff member of TheStreet.

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