Analysts' Actions: American Express, Dish, Micron, Medtronic

NEW YORK (TheStreet) -- RATINGS CHANGES

Ampco-Pittsburgh (AP) was upgraded to buy at TheStreet Ratings.

American Express (AXP) was initiated with a sector perform rating at Pacific Crest. Company has limited visibility for sales growth, Pacific Crest said.

Broadcom (BRCM) was upgraded to buy at TheStreet Ratings.

Centerpoint (CNP) was upgraded at BMO Capital to outperform. Twelve-month price target is $27. Company offers a solid yield and growth at a reasonable price, BMO Capital said.

Dish Network (DISH) was upgraded at J.P. Morgan to overweight from neutral. Valuation call, based on a $72 price target, J.P. Morgan said.


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Envision (EVHC) was upgraded at Goldman Sachs to buy from neutral. Twelve-month price target is $43. Company was also placed on the Conviction List. Outlook is improving and the company trades at a compelling valuation, Goldman said.

Exterran (EXH) was upgraded at Howard Weil to outperform from sector perform. Twelve-month price target is $52. Company is leveraged to a pronounced turn in industry fundamentals, Howard Weil said.

GNC (GNC) was downgraded at Robert Baird to neutral from outperform. Twelve-month price target is $39. CFO unexpectedly resigned, which adds uncertainty to the story, Robert Baird said.

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