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Arena Pharmaceuticals (ARNA) Volatility Swings as Traders Take Some Profit

May 15, 2012 10:13 AM EDT
Arena Pharmaceuticals (Nasdaq: ARNA) shares are showing some volatility as the stock retreats Tuesday morning. Following a 3.9 percent gain Monday and 73.8 percent jump last Friday, shares are down 6 percent.

Implied volatility is up 4.5 percent, though its been down 9 percent as well Tuesday. The number still puts volatility at about 40 percent of its trailing annual average.


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