Datavault AI is trading 5.94% down at $0.16, with the immediate catalyst unclear.
- No new company-specific announcement explaining the September 18, 2026 decline was identified.
- The widely reported $100 million $QEST purchase order was announced on September 15, not September 18; the company did not explicitly connect it to any share-price move.
- The broader market is only modestly lower.