Sono Group is trading 10.28% down at $3.14 after no new company-specific catalyst was identified for September 4, 2026.
- Shares fell 27.08% to $3.50 on September 3, extending volatility after the August 31 non-binding Sports One combination proposal and related 19.9% share purchase.
- Broader U.S. markets are also lower, but their decline is materially smaller, leaving the specific cause unclear.