Nasdaq fell 4.48% for the week, with the damage concentrated where leverage lives: CoreWeave down 25% on the week, Nebius down 25%. CPI at 3.7% and PPI at 6.3% repriced the borrowing math behind AI in

What happened: The Nasdaq Composite fell 4.48 percent for the week as hotter-than-expected inflation data pushed Treasury yields higher and investors reassessed AI companies' ability to justify large investments. Key numbers: Nasdaq fell 4.48 percent weekly and 2.14 percent Friday. Why it matters: Higher borrowing costs and questions about AI infrastructure profitability threaten the investment narrative. Weinand expects the Fed to begin a rate-hiking cycle in December, and Follmer said a 10-year yield above 5 percent may be a new normal.

The Nasdaq Composite fell 4.48 percent for the week as hotter-than-expected inflation data pushed Treasury yields higher and investors reassessed AI companies' ability to justify large investments.

Higher borrowing costs and questions about AI infrastructure profitability threaten the investment narrative. Weinand expects the Fed to begin a rate-hiking cycle in December, and Follmer said a 10-year yield above 5 percent may be a new normal.