Banc of America Downgrades Sigma-Aldrich in Wake of Advanced Separations Buy | GenomeWeb
NEW YORK (GenomeWeb News) – Banc of America Securities has downgraded Sigma-Aldrich from “buy” to “neutral.”
 
On Monday, Sigma said that it had acquired Advanced Separations, a developer of products used in chiral chromatography, for an undisclosed amount.
 

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