Sky News Australia | Oil prices rise as Iran talks extended Sky News Australia Oil prices have rebounded as Iran and six major powers extended a deadline for reaching a nuclear deal that could add Iranian oil to an oversupplied global market. US benchmark West Texas Intermediate (WTI) for delivery in August rose $US1.14 ($A1.48) ... Oil prices retake lost ground after markets cool on Greece crisis, Iran deal Crude oil bounces back from sell-off Why an Iran deal could mean lower oil prices |