June 16 : Oil prices rebounded on Tuesday on concerns about the lack of details in a preliminary agreement ending the war between the U.S. and Iran and the realization the resumption of supply through the key Strait of Hormuz may take longer than thought. Brent crude futures gained 26 cents, or 0.3 per cent, to $83.42 a barrel and U.S. West Texas Intermediate rose to $81.12 a barrel, up 46 cents, or 0.3 per cent, as of 0108 GMT. On Monday, oil prices fell by nearly 5 per cent to their lowest