Cummins is trading 15.88% up at $665.00 after renewed attention around its selection to supply its largest battery energy-storage deployment for a major U.S. data-center project.

  • The system is designed to manage AI-driven power fluctuations and improve grid resilience.
  • Semper Augustus’ August 27 stake-reduction disclosure conflicts with the bullish move and does not explain the pre-market surge.
  • Broader indexes are largely flat, making the data-center announcement the clearest catalyst.