Jasper Therapeutics is trading 5.33% down at $0.60 after reversing part of its September 17 regular-session gain; no clear company-specific announcement or late-breaking catalyst was identified for the after-hours decline.
- Recent coverage centered on the September 16 H.C. Wainwright conference and September 15 executive appointments.
- Broader biotechnology stocks rallied during the regular session, making the after-hours move difficult to attribute confidently.