Equity Briefing: Upgrades and Downgrades for August 22nd: LVS, MDCO, MDT, NGLS, NGNM, OFC, P, PBTH, PCS

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:

Nomura  reiterated its buy rating on shares of Las Vegas Sands Corp. LVS.

Bank of America  initiated coverage on shares of The Medicines Compan MDCO. They issued a neutral rating on the stock and set a $29.00 price target.

Jefferies Group  reiterated its hold rating on shares of Medtronic, Inc. MDT. They have a $43.00 price target on the stock.

UBS AG  initiated coverage on shares of Targa Resources Partners NGLS. They issued a buy rating on the stock and set a $45.00 price target.

Craig Hallum  initiated coverage on shares of NeoGenomics, Inc. NGNM. They issued a buy rating on the stock and set a $5.00 price target.

Jefferies Group  reiterated its hold rating on shares of Corp Office Props OFC.

Albert Fried & Company  reiterated its overweight rating on shares of Pandora Media P.

Jefferies Group  initiated coverage on shares of Prolor Biotech Inc. PBTH. They issued a buy rating on the stock and set a $8.00 price target.

Nomura  reiterated its neutral rating on shares of MetroPCS PCS.

JPMorgan Chase  upgraded shares of Roche Holding Ltd. RHHBY from a neutral rating to an overweight rating.

Evercore Partners  downgraded shares of Republic Airways Holdings Inc. RJET from an overweight rating to an equal weight rating.

Canaccord Genuity  reiterated its buy rating on shares of Steven Madden, Ltd. SHOO.

Goldman Sachs  reiterated its sell rating on shares of Tech Data Corporation TECD.

UBS AG  initiated coverage on shares of Targa Resources Investments Inc TRGP. They issued a buy rating on the stock and set a $57.00 price target.

Lazard Capital  downgraded shares of Trina Solar TSL from a buy rating to a hold rating.

Sanford C. Bernstein  downgraded shares of TIM Participacoes SA TSU from an outperform rating to a market perform rating.

Sanford C. Bernstein  downgraded shares of Vivo Participacoes SA VIV from a market perform rating to an underperform rating.

Goldman Sachs  reiterated its buy rating on shares of Williams Sonoma Inc WSM. They have a $46.00 price target on the stock, up previously from $42.00.

Canaccord Genuity  reiterated its buy rating on shares of Williams Sonoma Inc WSM. They noted that the move was a valuation call.

JMP Securities  initiated coverage on shares of Yelp YELP. They issued a market perform rating on the stock and set a $19.00 price target. They noted that the move was a valuation call.

JMP Securities  initiated coverage on shares of Zynga Inc. ZNGA. They issued an outperform rating on the stock and set a $4.50 price target.

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