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Arena Pharmaceuticals (ARNA) Surges on VIVUS's (VVUS) Day

April 27, 2012 1:47 PM EDT
Arena Pharmaceuticals, Inc. (Nasdaq: ARNA) is surging higher Friday although no fundamental reason can be found to explain the action.

Rival VIVUS Inc. (Nasdaq: VVUS) is expected to receive FDA approval today, but this is for a erectile dysfunction drug avanafil and is not related to competing obesity drug Qnexa.

Shares of Arena Pharmaceuticals last traded at $2.74, up 27%.


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