Stock Market Movers: 10 Biggest Gainers and Losers – 20 October 2026

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Worst Performers

10. ELAN: Elanco Animal Health (ELAN) dips 3.36% on Jefferies downgrade to hold from buy, alongside a lower price target.

9. PTEN: Patterson-UTI (PTEN) drops 3.49% on lower oil prices.

8. GE: GE Aerospace (GE) declines 3.67% as traders sold the news of strong Q3 earnings.

7. HWM: Howmet Aerospace (HWM) falls 3.82% on lack of fresh leads.

6. MPT: Medical Properties Trust (MPT) drops 3.86% on lack of catalysts to boost buying.

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