Brent crude oil prices experienced a significant drop, falling below $80 a barrel for the first time since March. The price decrease of 3.8 percent resulted in a barrel costing $79.99. This decline is attributed to increasing expectations of a potential agreement between the United States and Iran. Such an agreement could lead to increased oil supply from Iran, easing global supply concerns. The market reacted swiftly to news suggesting progress in negotiations. This price movement signals a shift in market sentiment regarding oil availability and geopolitical factors influencing the energy sector. Further developments in the US-Iran talks will likely continue to impact oil prices.