Analysts' Actions: 3D Systems, More

NEW YORK (TheStreet) -- RATINGS CHANGES

Ameresco (AMRC) was upgraded to hold at TheStreet Ratings.

3D Systems (DDD) was initiated with a buy rating at Stifel Nicolaus. Twelve-month price target is $65. Business is poised to rebound in the second half of the year, Stifel Nicolaus said.

Exterran (EXH) was upgraded to buy at TheStreet Ratings.

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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