Equity Briefing: Upgrades and Downgrades for August 01st: CNI, CYTK, DAL, DISCA, DRIV, FHN, FIRE, HBI, HPY, IN

A number of stocks were upgraded and downgraded by equities research analysts today, as reported by Analyst Ratings Network (http://bit.ly/arndailyr) and Equity Briefing:

TD Securities  downgraded shares of Canadian National Railway CNI from a buy rating to a hold rating. They noted that the move was a valuation call.

Cowen  initiated coverage on shares of Cytokinetics, Inc. CYTK. They issued an outperform rating on the stock.

Dahlman Rose  downgraded shares of Delta Air Lines DAL from a buy rating to a hold rating.

Citigroup  downgraded shares of Discovery DISCA from a neutral rating to a sell rating.

Raymond James  downgraded shares of Digital River, Inc. DRIV from an outperform rating to a market perform rating.

Compass Point  upgraded shares of First Horizon National Co. FHN from a sell rating to a neutral rating. Compass Point now has a $8.00 price target on the stock.

Needham & Company  reiterated its buy rating on shares of Sourcefire, Inc. FIRE.

Janney Montgomery Scott  reiterated its buy rating on shares of Hanesbrands HBI.

Keefe, Bruyette & Woods  downgraded shares of Heartland Payment Systems  Inc HPY from an outperform rating to a market perform rating.

Roth Capital  downgraded shares of Interactive Intelligence ININ from a buy rating to a neutral rating.

Dahlman Rose  downgraded shares of Jetblue Airways Corp JBLU from a hold rating to a sell rating.

Canaccord Genuity  reiterated its buy rating on shares of LeMaitre Vascular, Inc. LMAT.

BMO Capital Markets  upgraded shares of Louisiana-Pacific Co. LPX from an underperform rating to a market perform rating.

Macquarie  downgraded shares of Lloyds TSB Group plc LYG from an outperform rating to a neutral rating.

Feltl & Co.  downgraded shares of Metropolitan Health Networks, Inc. MDF from a strong-buy rating to a buy rating. Their analysts now have a $10.00 price target on the stock, down previously from $10.40.

Oppenheimer  downgraded shares of Mcgrath Rentcorp MGRC from an outperform rating to a market perform rating.

BGB Securities  upgraded shares of Meadowbrook Insurance Group, Inc. MIG from a hold rating to a buy rating.

CRT Capital  downgraded shares of Mercury Computer Systems Inc MRCY from a fair value rating to a sell rating.

Leerink Swann  initiated coverage on shares of Neurocrine Biosciences Inc NBIX. They issued an outperform rating on the stock.

Goldman Sachs  upgraded shares of Norsk Hydro ASA NHYDY from a sell rating to a neutral rating.

Deutsche Bank  downgraded shares of Northeast Utilities System NU from a buy rating to a hold rating.

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