Equity Brief: Upgrades and Downgrades for September 6th: HMY, HNZ, IFNNY, IMUC, IR, ISIS, JAZZ, LMCA, LNCE

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 Brief:

JPMorgan Chase  downgraded shares of Harmony Gold Mining HMY from an overweight rating to a neutral rating.

Jefferies Group  reiterated its hold rating on shares of H.J. Heinz Company HNZ. They have a $57.00 price target on the stock.

Exane BNP Paribas  downgraded shares of Infineon Technologies AG IFNNY from an outperform rating to a neutral rating.

Maxim Group  initiated coverage on shares of ImmunoCellular Therapeutics Ltd IMUC. They issued a buy rating on the stock and set a $18.00 price target.

Morgan Stanley  downgraded shares of Ingersoll-Rand IR from an overweight rating to an equal weight rating.

JMP Securities  initiated coverage on shares of ISIS Pharmaceuticals, Inc. ISIS. They issued a market perform rating on the stock.

Cowen  initiated coverage on shares of Jazz Pharmaceuticals, Inc. JAZZ. They issued a neutral rating on the stock.

Canaccord Genuity  raised its price target on shares of Liberty Capital LMCA from $101.00 to $125.00. They have a buy rating on the stock.

KeyBanc  upgraded shares of Lance, Inc. LNCE from a hold rating to a buy rating. KeyBanc now has a $27.00 price target on the stock.

Stifel Nicolaus  downgraded shares of MarketAxess Holdings Inc. MKTX from a buy rating to a hold rating.

Raymond James  downgraded shares of MarketAxess Holdings Inc. MKTX from a strong-buy rating to a market perform rating.

Wunderlich  initiated coverage on shares of American Capital Mortgage Investment Crp MTGE. They issued a buy rating on the stock and set a $27.00 price target.

Deutsche Bank  downgraded shares of Nokia Co. NOK from a hold rating to a sell rating.

Societe Generale  downgraded shares of Nokia Co. NOK from a hold rating to a hold rating.

Nomura  upgraded shares of Novo Nordisk NVO from a reduce rating to a neutral rating.

Needham & Company  downgraded shares of Ocz Technology Group  Inc OCZ from a buy rating to a hold rating.

Craig Hallum  downgraded shares of Ocz Technology Group  Inc OCZ from a buy rating to a hold rating. Their analysts now have a $5.00 price target on the stock, down previously from $14.50.

FBN Securities  downgraded shares of Ocz Technology Group  Inc OCZ from a sector perform rating to an underperform rating. Their analysts now have a $4.00 price target on the stock, down previously from $6.00.

BMO Capital Markets  upgraded shares of OGE Energy Corp. OGE from a market perform rating to an outperform rating. BMO Capital Markets now has a $61.00 price target on the stock, up previously from $58.00.

Credit Suisse  initiated coverage on shares of Orexigen Therapeutics, Inc. OREX. They issued an outperform rating on the stock and set a $13.00 price target.

Benchmark Co.  raised its price target on shares of Open Text OTEX from $48.00 to $52.00. They have a hold rating on the stock.

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