MEMC: Goldman Upgrades To Hold Rating On Valuation Basis

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Shares of MEMC Electronic Materials are trading higher Tuesday morning after Goldman Sachs analyst Mark Wienkes raised his rating on the provider of silicon wafers to Neutral from Sell on a valuation basis. He notes that WFR shares dropped 27% from the beginning of May through Monday. The stock dropped 19% since it was added to the Goldman sell…



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