A bold call from Wall Street has put fresh attention on a fast-growing (and still speculative) artificial intelligence (AI) infrastructure play.CoreWeave (CRWV -4.96%), the artificial intelligence (AI)-focused cloud and data-center operator, has been one of 2025's most closely watched newly public names. Shares have been volatile as investors digest a surge in sales, big contracts tied to AI demand, and the costs of building capacity at breakneck speed.Adding fuel to the debate this week, Wells Fargo's Mich ...