Equity Brief: Upgrades and Downgrades for September 5th: VPHM, VSI, WAB, WFT, WLL, WLT

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:

Deutsche Bank  initiated coverage on shares of ViroPharma Incorporated (NASDAQ: VPHM). They issued a buy rating on the stock and set a $37.00 price target.

Bank of America  upgraded shares of Vitamin Shoppe (NYSE: VSI) from a neutral rating to a buy rating.

Credit Suisse  initiated coverage on shares of Westinghouse Air Brake Technologies Corp (NYSE: WAB). They issued an outperform rating on the stock and set a $99.00 price target.

Credit Agricole  initiated coverage on shares of Weatherford (NYSE: WFT). They issued an outperform rating on the stock and set a $15.00 price target.

Global Hunter Securities  upgraded shares of Whiting Petroleum Co. (NYSE: WLL) from a neutral rating to a buy rating. Global Hunter Securities now has a $60.00 price target on the stock, up previously from $51.00.

Raymond James  downgraded shares of Walter Energy (NYSE: WLT) from an outperform rating to a market perform rating.

Deutsche Bank  upgraded shares of Williams Sonoma Inc (NYSE: WSM) from a hold rating to a buy rating. Deutsche Bank now has a $48.00 price target on the stock, up previously from $38.00.

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