Home Business Oil prices extend gains, U.S.-Iran tensions in focus Business Oil prices extend gains, U.S.-Iran tensions in focus By Genpie - June 24, 2019 105 0 Facebook Twitter Google+ Pinterest WhatsApp Oil prices rose on Monday to extend gains from last week, bolstered as tensions remain high between Iran and the United States after U.S. Secretary of State Mike Pompeo said “significant” sanctions would be announced on Tehran.