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Why Sionna Therapeutics Stock Is Crashing 91% to a Record Low - Barron's

Published by Barron's By Barron's · 10 August 2026 at 22:14
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Why Sionna Therapeutics Stock Is Crashing 91% to a Record Low - Barron's
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What the report says

The biotech says its cystic fibrosis drug candidate missed the mark in a Phase 2a trial, though the news could be a boon to shares of Vertex Pharmaceuticals.

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