NRGV is trading about 5% up today at $4.41 following the announcement of its addition to the Russell 2000 index.
- Energy Vault joined the index as part of the Russell US Indexesβ annual reconstitution, effective June 29, 2026.
- Index inclusion typically drives significant buying from passive index funds and increases overall trading demand.
- The upward move is further supported by a generally positive broader market backdrop.