Premarket movers: CoreWeave, Nvidia rally; Fossil, Tandy Leather jump

Investing.com - U.S. stock index futures were mixed on Wednesday, with technology shares leading gains as an upbeat financial outlook from AI cloud infrastructure provider CoreWeave and strong demand for Anthropic's initial public offering helped revive optimism around artificial intelligence. The gains came as investors looked for signs that demand for AI infrastructure can continue to support the sector's rapid expansion.