NEW DELHI, June 22 : Brent crude prices slid on Monday after U.S.-Iran talks concluded in Switzerland with Tehran saying it had secured waivers for oil and petrochemical exports, easing worries about a supply shortage in global markets.Brent crude fell $1.19, or 1.48 per cent, to $79.38 a barrel by 0416 GMT.

NEW DELHI, June 22 : Brent crude prices slid on Monday after U.S.-Iran talks concluded in Switzerland with Tehran saying it had secured waivers for oil and petrochemical exports, easing worries about a supply shortage in global markets.Brent crude fell $1.19, or 1.48 per cent, to $79.38 a barrel by 0416 GMT.

NEW DELHI, June 22 : Oil prices declined on Monday after U.S.-Iran talks concluded in Switzerland with Tehran saying it had secured waivers for oil and petrochemical exports, easing worries about a supply shortage in global markets.Brent crude fell $1.68, or 2.09 per cent, to $78.89 a barrel by 0633 GMT. Pric

June 19 (UPI) -- Global oil prices have fluctuated slightly on Friday, briefly reaching back above the $80 per barrel mark for Brent crude, as the United States and Iran called off further talks in Switzerland.