Why Sigma-Aldrich (SIAL) Stock Is Spiking Today

NEW YORK (TheStreet) -- Sigma-Aldrich (SIAL) shares are up 33.56% to $136.76 on Monday after the life sciences chemical company agreed to be bought by Merck (MRK) for $17 billion in cash as it seeks to bolster its chemicals and laboratory equipment sectors.

Merck, the German-based global healthcare company, will purchase the St. Louis-based Sigma-Aldrich for $140 per share, a 37% premium over the stock's previous closing price.

TheStreet has in depth coverage of the deal here.STOCKS TO BUY: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12 months. Learn more.

See why TheStreet's Jim Cramer says the German acquisitions of American companies, which include Sigma-Aldrich, Dresser-Rand and TRW, are important:

TheStreet Ratings team rates SIGMA-ALDRICH CORP as a Buy with a ratings score of A. TheStreet Ratings Team has this to say about their recommendation:

"We rate SIGMA-ALDRICH CORP (SIAL) a BUY. This is based on the convergence of positive investment measures, which should help this stock outperform the majority of stocks that we rate. The company's strengths can be seen in multiple areas, such as its growth in earnings per share, increase in net income, revenue growth, largely solid financial position with reasonable debt levels by most measures and expanding profit margins. We feel these strengths outweigh the fact that the company has had somewhat disappointing return on equity."

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