NEW YORK (GenomeWeb) – Sigma-Aldrich today reported a 2 percent increase in its first-quarter sales as the firm fell short of the consensus analyst estimate on the top line but exceeded it on the bottom line.

For the three months ended March 31, the company reported sales of $689 million, up from $675 million in the year-ago quarter. Analysts had expected on average $690.6 million.

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