Companies such as Vertiv and CoreWeave fetch much of the attention in the AI data center market, but a smaller player called Nebius Group is quickly making a splash of its own.When it comes to data center stocks, you may be more familiar with the likes of Vertiv or CoreWeave. Indeed, both of those companies are heavily plugged into the world of artificial intelligence (AI) infrastructure.However, one of my top stock picks for 2025 is an under-the-radar data center player called Nebius Group (NBIS 4.13%).If ...