Feb 27 : Shares of CoreWeave slumped around 12 per cent before the bell on Friday, after the company's plans to double capital expenditure this year fueled investor concerns about margin pressure and effective returns from its artificial intelligence push.  The cloud infrastructure company has committed significant capital toward the construction of large data centers filled with top-of-the line Nvidia chips to capitalize on the booming demand for AI services.  CoreWeave has budgeted $30