Key PointsNebius's first-quarter revenue jumped 684% year over year to $399 million.The company raised its 2026 capital spending plans to a range of $20 billion to $25 billion.With shares up sharply this year, the stock arguably bakes in years of strong execution and leaves little room for error.10 stocks we like better than Nebius Group › There's a corner of the artificial intelligence (AI) infrastructure trade that just keeps getting hotter --…