World shares are lower and oil prices have risen again as a de-escalation of the Iran war remains uncertain. U.S. futures are down 0.6%. Brent crude, the international standard, rose more than 3% to around $100 per barrel on Thursday. Meanwhile gold and silver prices dropped. Tehran on Wednesday dismissed a ceasefire plan by the U.S., after U.S. President Donald Trump's administration offered a 15-point proposal to Iran. On Wednesday, the S&P 500 gained 0.5%. The Dow Jones Industrial Average climbed 0.7%, and the Nasdaq composite rose 0.8%.
