Aytu BioScience is trading 8.3% down now at $1.82 after falling from the September 15, 2026 regular-session close of $1.99 amid broad market risk-off pressure.

  • No clear company-specific announcement, earnings release, FDA action, or filing explaining the after-hours decline was identified.
  • The Nasdaq fell 0.76% and the Dow 0.54%; elevated Treasury yields, oil prices, and Federal Reserve uncertainty pressured risk assets.