Oil prices fall as markets respond to progress in US-Iran talks

Oil prices declined as markets reacted to progress in US-Iran negotiations, with Brent crude falling 2.8% to $78.29 and US benchmark crude dropping 2.3% to $74.14. US Vice President JD Vance noted the talks created a 'good foundation for a successful final deal,' while stock indices showed mixed results, with the S&P 500 and Nasdaq declining and the Dow rising.