Helius Medical Technologies is trading at $3.04, up +10.14%, as broader risk appetite improved.
- Extending its 20.52% gain from September 18, 2026.
- No clear company-specific announcement dated September 21, 2026 was identified; listed recent releases center on earlier digital-asset strategy updates.
- Major U.S. indexes rallied, oil prices eased, and Treasury-yield pressure cooled. The move follows a strong multi-session rebound from $2.15 on September 10, 2026.