Energy Vault Holdings is trading 8.19% up at $4.26 on September 17, 2026, alongside a broad risk-on market rebound.
- No new company-specific announcement dated September 17 was identified; the latest investor-relations release was September 10.
- S&P 500 and Nasdaq gains above 0.5% support a global-sentiment explanation, with easing rate uncertainty helping growth stocks recover.