Weight loss devices maker EnteroMedics loses half of its Wall Street value after its VBloc vagal blocking therapy system fails to meet endpoints in a pivotal trial.

Wall Street fled in droves after weight-loss devices maker EnteroMedics (NSDQ:ETRM) announced that its Maestro vagal blocking system failed to meet endpoints in a pivotal study, but the mass exodus isn't discouraging the company from moving forward with a bid for FDA approval.
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