Iran and the U.S. have see-sawed between enmity and grudging diplomacy in the years since, with relations peaking when Tehran made the 2015 nuclear deal with world powers. But Trump unilaterally withdrew America from the accord in 2018, sparking tensions in the Mideast that persist today.

At an international conference in Tehran, top Iranian officials said they were eager to make a deal with Trump but that they wouldn’t buckle under pressure.

Oil prices settled lower on Wednesday, after Oman's foreign minister said a fresh round of nuclear talks between Iran and the U.S. would take place later this week. Prices had gained earlier in the session on a CNN report on Tuesday that U.