Brent crude oil prices experienced a sharp decline, falling 4% after briefly surpassing $91 a barrel on Monday. This shift followed an announcement from Tehran confirming ongoing diplomatic communications with Washington, facilitated by mediators. The news alleviated market concerns regarding potential supply disruptions. Investors reacted positively to the possibility of eased tensions and a potential increase in Iranian oil exports, which could boost global supply. The price drop indicates a decreased risk premium associated with geopolitical instability in the region. Analysts suggest that further progress in negotiations will be crucial in sustaining this downward trend in oil prices. Overall, the market responded swiftly to signals of de-escalation between Iran and the United States.