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Downgrades Roundup: Ford, TD Ameritrade

Tickers in this article: F TPX AMTD BHI HTLD EME X GEF MDU GTE STN DRC

NEW YORK (TheStreet) -- The following stocks were downgraded by TheStreet Ratings last week: Stantec(STN) , Dresser-Rand Group(DRC) , Tempur-Pedic International(TPX) , Ford Motor(F) , Gran Tierra Energy(GTE) , Greif(GEF) , Baker Hughes(BHI) , United States Steel(X) , MDU Resources Group(MDU) , Heartland Express(HTLD) , EMCOR Group(EME) and TD Ameritrade(AMTD) .

Stantec was downgraded to hold from buy at TheStreet Ratings on Thursday.

TheStreet Ratings gives Stantec a C+ grade.