NRGV ▼ -1.6% - Energy Vault Holdings, Inc. $NRGV - Energy Vault Closes Financing on 275 MW of Rolls-Royce MTU Reciprocating Engine Generation Capacity for Hyperscale AI Infrastructure Energy Vault Holdings closed financing for 275 MW of Rolls-Royce MTU reciprocating engine generation capacity serving hyperscale AI infrastructure, yet the stock declined 1.6% on the news. The company's ability to secure this large power generation deal for AI applications underscores demand for its solutions, though investors may have been pricing in larger contract values or awaiting more details on revenue timing and margins. 10-SEP-2026 08:33 AM ET