Ibex 35 Suffers Worst Drop Since April on AI Bubble Fears — What to Know Before the November 19 Open
The Ibex 35 closed Tuesday, 18 November 2025, with a sharp 2.14% fall to 15,827 points, its steepest daily drop since April and its fourth straight session in the red, leaving the Spanish benchmark down about 4.8% over those four days. Despite the setback, the index is still up roughly 36% so far in 2025. Investing.com Español+1 The sell‑off didn’t spare a single member of the index: all 35 stocks finished lower, dragged down by banks and travel‑related names, in a global risk‑off move driven by fears of an AI‑driven tech bubble, a slump in cryptocurrencies and renewed doubts about