Oil prices rose on Monday, with Brent futures touching their highest in more than three years, as investors bet supply will remain tight amid restrained output by major producers with global demand unperturbed by the Omicron coronavirus variant. Brent crude futures gained 40 cents, or 0.5%, to $86.46 a barrel by 0641 GMT. Earlier in the session, the contract touched its highest since Oct. 3, 2018 at $86.71. U.S. West Texas Intermediate crude was up 58 cents, or 0.7%, at […]