NEW YORK (TheStreet) -- RATINGS CHANGES

Apple(AAPL) - Get Report was initiated with a buy rating at Brean Capital. Twelve-month price target is $160. iPhone can help deliver material earnings upside, Brean Capital said.

American Express(AXP) - Get Report was downgraded at Nomura to neutral from buy. Twelve-month price target is $82. Earnings power to re-emerge longer term, but lack of catalysts keeps the stock range bound in the near term, Nomura said.

3D Systems(DDD) - Get Report was downgraded at Canaccord Genuity to hold from buy. Twelve-month price target is $27. Analysts are downgrading on lower expectations for long-term growth for the core business, based on the preannouncement and feedback from resellers and other industry participants, Canaccord Genuity said.

3D Systems was downgraded at Piper Jaffray to underweight from neutral. Twelve-month price target is $21. Expect a material guidance cut from management, Piper Jaffray said.

DST (DST) was downgraded at Credit Suisse to neutral from outperform. Valuation call, based on a 12-month price target of $126, Credit Suisse said.

DaVita HealthCare(DVA) - Get Report was upgraded at Robert Baird to outperform from neutral. Twelve-month price target is $95. Company has multiyear earnings tailwinds, Robert Baird said.

Eaton Vance(EV) - Get Report was downgraded at Citigroup to sell. Twelve-month price target is $36.60. ETMF prospects may have been overblown, Citigroup said.

Hancock (HBHC) was downgraded at Drexel Hamilton to neutral. Estimates were also cut, given the company's new guidance, Drexel Hamilton said.

Juniper(JNPR) - Get Report was upgraded to buy at TheStreet Ratings. You can view the full analysis from the report here: JNPR Ratings Report.

Allscripts(MDRX) - Get Report was upgraded at Piper Jaffray to neutral from underweight. Twelve-month price target is $12. Investor sentiment is improving, Piper Jaffray said.

Memorial Resource Development (MRD) was reinstated at Barclays with an overweight rating. Twelve-month price target is $23. Analysts expect a greater focus on development drilling (vs. delineation) in 2015 should yield greater efficiency gains while supporting strong volume growth, Barclays said.

Newmont Mining(NEM) - Get Report was upgraded at Credit Suisse to outperform from neutral. Twelve-month price target is $30. Company is attractively valued and can continue to deliver consistent operating results, Credit Suisse said.

Ruby Tuesday (RT) was upgraded to hold at TheStreet Ratings. You can view the full analysis from the report here: RT Ratings Report.

SeaWorld(SEAS) - Get Report was upgraded at Goldman Sachs to buy from neutral. Expect park attendance to improve, along with general leisure demand, Goldman said. Twelve-month price target is $26.

Six Flags(SIX) - Get Report was downgraded at Goldman Sachs to neutral from buy. Valuation call, as the stock has gained 40% since last April, Goldman Sachs said.

Stratasys(SSYS) - Get Report was downgraded at Canaccord Genuity to hold from buy. Twelve-month price target is $51. Analysts are downgrading as they believe growth for the core business slowed in the first quarter and this slowdown could continue, Canaccord Genuity said.

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This article was written by a staff member of TheStreet.