NEW YORK (GenomeWeb News) – Sigma-Aldrich today reported that revenues for its fourth quarter rose 4 percent year over year as the firm beat the consensus analyst estimate on the top and bottom lines.

Total revenues for the three months ended Dec. 31, 2013 reached $684 million, up from $655 million a year ago and above the average analyst estimate of $676 million.

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In Science this week: the Human Silencing Hub protein complex, and more.

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