Vivani Medical is trading 5% up at $1.25 as broader risk-on sentiment lifted U.S. equities on September 21, 2026.
- Falling oil prices and easing Treasury yields supported buying across risk assets; major indexes gained more than 0.5%.
- No new company-specific announcement clearly explains the intraday move; the September 16 merger update remains prior context.
- Trading volume and activity levels were not provided.