Shares of bitcoin miner Core Scientific were down 15% after reports that Microsoft has scaled back some agreements with CoreWeave, a soon-to-be-listed cloud computing firm. CoreWeave, which supplies AI computing power to Microsoft, faced delivery issues and missed deadlines, causing Microsoft to reduce its commitments. However, Microsoft remains a major partner for CoreWeave, representing 62% of its revenue. CoreWeave filed for an IPO, aiming to raise $4 billion at a $35 billion valuation. The company relies heavily on Nvidia chips and has raised $14.5 billion in debt and equity. Microsoft's decision aligns with its AI infrastructure strategy, but it still plans major investments in the sector.



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