Oil prices jumped by more than 5 percent on Monday after the United States and China agreed to a 90-day truce in a trade dispute, and ahead of a meeting this week of the producer club OPEC that is expected to agree to cut supply. U.S. light crude oil CLc1 rose $2.92 a barrel to a high of $53.85, up 5.7 percent, before easing slightly to around $53.50 by 0830 GMT. Brent crude LCOc1 rose 5.3 percent or $3.14 to a high of $62.60 and was last trading around $63.15. China and the United States agreed during a weekend meeting in Argentina of the Group of 20 leading economies not to impose additional trade tariffs for at least 90 days […]