Notable Analyst Rating Changes 05/17: (AONE) (PDM) (CVA) Upgraded; (CREE) (NYX) (FXCM) Downgraded

FREE Breaking News Alerts from StreetInsider.com!

AONE Hot Sheet

Overall Analyst Rating:
NEUTRAL (= Flat)

Revenue Growth %: -39.8%

UPGRADES
BofA/Merrill Lynch upgrades A123 Systems (Nasdaq: AONE) from Neutral to Buy.

Stifel Nicolaus lifts Piedmont Office Realty Trust (NYSE: PDM) from Sell to Hold.

BofA/Merrill Lynch raises Covanta (NYSE: CVA) from Neutral to Buy.

Enerplus (NYSE: ERF) upgraded by several firms:

TD Newcrest from Hold to Buy, increasing its price target from C$34 to C$37. Click Here for more color;
Scotia Capital from Underperform to Sector Perform; and
Canaccord Genuity from Hold to Buy.

For daily real-time Upgrades go to http://www.streetinsider.com/Upgrades

DOWNGRADES
BofA/Merrill Lynch lowers Cree (Nsdaq: CREE) from Neutral to Underperform.

Argus downgrades NYSE Euronext (NYSE: NYX) from Buy to Hold.

Citi cuts FXCM Inc (NYSE: FXCM) from Hold to Sell, lowering its price target from $7 to $5.50.

BofA/Merrill Lynch reduces downgraded Clean Energy Fuels (Nasdaq: CLNE) from Neutral to Underperform.

For daily real-time Downgrades go to http://www.streetinsider.com/downgrades

NEW COVERAGE
Goldman Sachs initiates MAKO Surgical (Nasdaq: MAKO) with a Conviction Buy list rating and $36 price target. Click Here for more color.

Baird starts SandRidge Energy (NYSE: SD) with a Neutral, and $12 price target.

Stifel Nicolaus begins Iron Mountain (NYSE: IRM) at Buy, and $39 price target.

Auriga resumes coverage on PMC-Sierra (Nasdaq: PMCS) with a Hold rating and $8 price target. Click Here for more color.

For daily real-time New Coverage go to http://www.streetinsider.com/New+Coverage

Visit our new Ratings Insider portal to get the most comprehensive and up-to-date analyst coverage on the Street.

Get immediate access to market moving news and alerts with StreetInsider.com Premium - FREE TRIAL!