Stock Market Movers: Best and Worst Performers of 14 October 2026

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1. BSP: Bending Spoons (BSP) soars 41.2% as Berkshire Hathaway boosts its stake by another $330M from $600M initially invested at its July 2026 IPO.

The 10 Worst Performers

10. IREN: IREN Ltd. (IREN) loses 12.18% on wider pessimism for the AI infra industry.

9. CIFR: Cipher Digital (CIFR) trims 12.35%, mirroring industry decline, dented by AI borrowing fears.

8. CORZ: Core Scientific Inc. (CORZ) falls 12.44% on overall market pessimism, dragged down primarily by AI borrowing worries.

7. GDS: GDS Holdings (GDS) slashes 12.64% over broader pessimism for AI infra borrowings.

6. WULF: TeraWulf Inc. (WULF) loses 12.64% as AI infrastructure stocks decline on borrowing worries.

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