Oil prices jumped and energy companies helped the FTSE 100 to a record high after Donald Trump announced new sanctions on Russia’s two biggest oil producers.Brent crude increased by 5.2% to $65.83 a barrel – a two-week high – after the news of the fresh restrictions on Rosneft and Lukoil, as the US president ramps up pressure on Vladimir Putin to end the war in Ukraine.The jump in oil price also boosted shares in the energy companies Shell and BP by about 3%, which in turn helped to drive the FTSE 100 to a record high of 9,594.82.