Sigma-Aldrich (SIAL) to be Taken over by Merck KGaA

Shares of the Sigma-Aldrich Corp. (SIAL) were trading up +35.98 or +35.15 percent to $138.35 per share in Monday’s premarket. The company announced early this morning that German company Merck KGaA would be acquiring the company in a deal worth approximately $17 billion. Sigma-Aldrich stock closed at $102.37 per share, St. Louis, Missouri based Sigma-Aldrich Read the full article... Read the rest of Sigma-Aldrich (SIAL) to be Taken over by Merck KGaA at InvestorGuide.com .