Why Ardea Biosciences Shares Skyrocketed

Although we don't believe in timing the market or panicking over market movements, we do like to keep an eye on big changes -- just in case they're material to our investing thesis.

What: Shares of Ardea Biosciences (NAS: RDEA) soared 52% today after U.K. drug giant AstraZeneca (NYS: AZN) agreed to purchase the biotech company for $1.26 billion.

So what: The deal values Ardea at $32 per share and represents a whopping 54% premium to its Friday closing price. AstraZeneca shares have acted sluggishly over the past year on worries over its big patent cliff and relatively weak pipeline, so today's move serves as a good step toward easing some of those concerns.

Now what: While Ardea shares are likely all popped out, AstraZeneca might be worth looking into. "We're building some momentum here in R&D," AstraZeneca's research head Martin Mackay said today. "I would be disappointed if we didn't announce further deals by the end of this year. We've taken our hits but we're turning a corner." More important, with a cheapish P/E of six and a juicy dividend yield of 8.5%, AstraZeneca shares aren't exactly priced for a big turnaround.

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At the time this article was published Fool contributor Brian Pacampara owns no position in any of the companies mentioned. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Fool's disclosure policy always gets a perfect score. 

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