By a GenomeWeb staff reporter

NEW YORK (GenomeWeb News) – Investment bank Leerink Swann downgraded Sigma-Aldrich to Market Perform from Outperform and reduced its target share price on the firm to a range of between $66 and $70. The bank lowered the EPS estimate for Sigma for full-year 2011 to $3.76 from $3.77. The lower estimates reflect a challenging academic funding environment as well as European macro-environment, an analyst said in a research note.

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