AIB and Bank of Ireland both rose again, while Ryanair jumped more than 3% in a wider airline-sector move. Friday: Tech fears hit sentiment; Irish banks slideThe tone changed quickly on Friday. [8]The big Ireland-specific catalyst: an ISEQ index reshuffle is comingOne of the most concrete “week ahead / weeks ahead” developments for Euronext Dublin isn’t macro—it’s index mechanics. Euronext published the December 2025 quarterly review results for the ISEQ index family, with changes due to be implemented after the market close on Friday, 19 December, and effective from Monday, 22 December. References1. www.investing.com, 2. www.irishtimes.com, 3. www.investing.com, 4. www.irishtimes.com, 5. www.irishtimes.com, 6. www.irishtimes.com, 7. www.irishtimes.com, 8. www.irishtimes.com, 9. www.euronext.com, 10. www.vfb.be, 11. www.spglobal.com, 12. www.spglobal.com, 13. www.spglobal.com, 14. www.spglobal.com, 15. www.spglobal.com, 16. www.irishtimes.com, 17. www.irishtimes.com, 18. www.irishtimes.com, 19. www.reuters.com, 20. www.reuters.com, 21. www.ft.com, 22. www.irishtimes.com, 23. www.irishtimes.com, 24. www.irishtimes.com, 25. www.irishtimes.com, 26. www.irishtimes.com, 27. www.spglobal.com, 28. www.irishtimes.com, 29. www.euronext.com, 30. www.investing.com, 31. www.spglobal.com, 32. www.irishtimes.com