Oil jumps after Russia sanctions; stocks, US yields inch higher

By Caroline Valetkevitch and Amanda Cooper NEW YORK/LONDON (Reuters) -Oil prices surged about 5% on Thursday after Washington imposed sanctions on major Russian companies over the Ukraine war, while major stock indexes edged higher as gains in U.S. and European energy shares helped to offset some lackluster earnings news. The sanctions, announced late Wednesday, were placed on major Russian suppliers Rosneft and Lukoil. The U.S. said it was prepared to take further action as it called on Moscow to agree ...