12:00 AM
Jul 23, 2012
 |  BioCentury  |  Finance

Crash diet

Vivus stock drops after Citron Research questions IP for obesity drug Qsymia

Despite a 10% pop following last Tuesday's FDA approval of obesity drug Qsymia, Vivus Inc. ended the week off $3.02 (11%) at $24.15 - the stock's lowest close since mid-May.

The downward pressure came from a report issued by Citron Research that raised IP concerns related to Vivus' fixed-dose combination of phentermine and topiramate.

Citron describes itself as an online stock commentary website and has a disclaimer saying, "At any times the principals of Citron might hold a position in any of the securities profiled on the site." It's unclear whether Citron is short on Vivus, as short positions do not...

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