CoreWeave shares fall 15% amid mounting debt concerns

CoreWeave stock dropped about 15% this week despite a brief 6% rebound helped by Nvidia. Analysts call the compute provider a "canary in the coal mine" for AI: falling bond values will raise borrowing costs for OpenAI and Anthropic and could trigger a chain reaction.

• CoreWeave shares fell 15% this week; Nvidia helped lift them 6%
• CoreWeave bond values dropped sharply, raising future borrowing costs
• OpenAI is reportedly raising a $30 billion round
• Analysts warn of risks for Oracle, SoftBank and Anthropic