Analysts' Actions: AbbVie, HollyFrontier, NRG Energy, PetSmart

NEW YORK (TheStreet) -- RATINGS CHANGES

AbbVie (ABBV) was downgraded at BMO to market perform from outperform ABBV downgraded to Market Perform from Outperform, said BMO. Stock price reflects high expectations on Hep-C opportunity.

HollyFrontier (HFC) was downgraded to hold at TheStreet Ratings. You can view the full analysis from the report here: HFC Ratings Report.

Watch the video below for more of Friday's analysts' actions:

NRG Energy (NRG) was upgraded to buy at TheStreet Ratings. You can view the full analysis from the report here: NRG Ratings Report.

PetSmart ( PETM) was upgraded at Deutsche Bank to hold from sell. The company is still fundamentally challenged, but the stock has underperformed and has several nonfundamental catalysts that could support shares, Deutsche Bank said.

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This article was written by a staff member of TheStreet.

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