Heron Therapeutics is trading at $0.40, up +9.50%, alongside a 2.20% gain in biotech (XBI).
- No clear Heron Therapeutics-specific announcement explaining the October 15 move surfaced; recent company news found was older.
- Broader market signals were mixed: the Nasdaq was down, while the S&P 500 and Dow moved in opposite directions.
- Live trading volume or activity details were unavailable.