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CoreWeave shares, bonds headed for steep weekly losses as AI borrowing concerns mount

By Thomson Reuters Oct 16, 2026 | 5:19 AM

Oct 16 (Reuters) – CoreWeave’s shares and bonds were headed for steep weekly losses on Friday, as investors grew uneasy about the debt financing behind ​the AI build-out in the face of ‌rising borrowing costs.

The firm’s shares dipped 4.1% in premarket trading on Friday, after jumping 5.9% in the last session.

Here are some details:

• As of last close, the shares were down more than ‌15% ​this week, on course for their ⁠biggest weekly decline in ⁠about two months

• AI infrastructure stocks fell this week as hot inflation raised borrowing-cost worries

• “A hot inflation print triggered a sharp selloff in CoreWeave because ​its business model is a highly indebted play on future data center demand,” BCA Research analysts said

• “Although ⁠the rest of the tech ⁠complex is also sensitive to the pace ​and magnitude of AI adoption and use, it is, on ​average, considerably less sensitive to interest rates”

• Shares ‌of rival Nebius Group fell 1.5% on Friday morning, also set for their steepest weekly fall in two months

• CoreWeave is a loss-making cloud company that has ⁠about $50 billion in debt

• The yield on CoreWeave’s October 2031 maturity dollar bond briefly surged past 16% on Thursday

• The ⁠bond is set ‌to decline for a fifth straight ⁠week, down about 3 cents on the ​dollar ‌this week

• Cost of insuring against CoreWeave’s ​debt surged ⁠past 1,000 bps to record highs this week – S&P Global Market Intelligence data

• As of last close, CoreWeave shares were on track to erase a fifth of their value this month

(Reporting by Shashwat Chauhan in Bengaluru; Editing ​by Mrigank Dhaniwala)