UPDATE: VIVUS (VVUS) Shares Spike 9+%, Orexigen (OREX) Shares Move Lower

March 29, 2012 2:47 PM EDT
(Updated - March 29, 2012 2:52 PM EDT)

Shares of VIVUS (Nasdaq: VVUS) have surged more than 9 percent over just the last few minutes of trade. After trading in negative territory for most of Thursday's session, the stock has now spiked on relatively light volume.

Shares last traded at $21.96.

Orexigen (Nasdaq: OREX) shares also initially spiked, however the stock turned down just as sharply. In contrast to VIVUS, Orexigen shares were trading in positive territory for most of the session and are now negative. The stock last traded at $4.58.

UPDATE: An FDA advisory panel has just voted 17-6 to recommend obesity drugmakers should study heart risks related to their products. In addition to VIVUS and Orexigen, shares of Arena Pharma (Nasdaq: ARNA) have also been very volatile following the panel headlines.


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