Why did BYSI stock move up on 2026-09-28?
In plain English
The only news (“BeyondSpring Announces ESMO Asia Presentation on Plinabuli…”) is stale (290d old) — too old to explain today's move. Likely momentum, not news.
What it means for you
Finished the day strong — closed near its highs on heavy volume. Risk level: moderate.
Where this comes from
Observed market data. The price, percentage move, open, close and volume above are end-of-day figures for 2026-09-28 from XNAS, not estimates.
Sourced news. Articles published around 2026-09-28 that mention BYSI. We link them so you can read the original — we do not summarise them into a cause:
- BeyondSpring Announces ESMO Asia Presentation on Plinabulin + Docetaxel Improving Survival in Large Phase 3 DUBLIN-3 Asian Subset for EGFR WT NSCLC Compared to Docetaxel, Strengthening the Case for a Global Registration Path — GlobeNewswire Inc. (2025-12-12)
- SEED Receives FDA Rare Pediatric Disease and Orphan Drug Designations for Lead Oncology Asset RBM39 Degrader and Enters Strategic Transactions with New Investors — GlobeNewswire Inc. (2025-01-28)
- BeyondSpring Announces $35.4 Million Sale of a Portion of Equity Interest in SEED Therapeutics to Advance Lead Asset Plinabulin to Anti-Cancer Registrational Studies — GlobeNewswire Inc. (2025-01-28)
The most relevant article is stale (290d old), so it may not explain this particular session.
About BeyondSpring Inc. Ordinary Shares
BeyondSpring Inc is engaged in clinical-stage biopharmaceutical activities focused on the development of cancer therapies. It is also focused on including immuno-oncology agents. It operates in Plinabulin pipeline segment. Its first asset, Plinabulin is a novel brain-penetrant microtubule modulator with dendritic cell maturation and vasculature modulation mechanism, which has the potential to help mitigate acquired r
BYSI — frequently asked
Why did BYSI stock move up on 2026-09-28?
The only news (“BeyondSpring Announces ESMO Asia Presentation on Plinabuli…”) is stale (290d old) — too old to explain today's move. Likely momentum, not news. Finished the day strong — closed near its highs on heavy volume.
See it in context
BYSI opened -3.4% versus the prior close, then finished +49.1% from its open, on 8.2M shares traded.
Against the whole market that day, 19.9% of US stocks closed higher (median move -0.7%) — so BYSI rose even as most stocks fell. See the full market recap →
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