European indices fell about 1% on Thursday, with Stoxx 600 down 1%, DAX 1%, FTSE 1.6%, CAC 1.2%.
Investors weighed reports that the U.S. and Iran are restarting peace negotiations, with talks slated to begin next week in Pakistan.
Brent crude fell 2.4% to $98.83 per barrel as expectations of reopened Strait of Hormuz traffic lifted oil sentiment.
Shell shares slipped after better‑than‑expected profit but reduced buybacks, while Arm posted Q1 revenue outlook above estimates, boosting European chip stocks.