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Ultragenyx ($RARE): A Falling Knife or a RARE Opportunity?

RARE Knife

One failed Phase 3 trial erased roughly 44% of Ultragenyx's share price in a single session. But the company did not wake up on September 3 as an empty biotech shell. It still has a growing commercial business, a newly approved gene therapy, and a second gene-therapy FDA decision scheduled for September 19. The question is whether the market has correctly repriced a damaged platform—or thrown away too much with the failed Angelman program.