Oil prices were largely unchanged on Monday after a drop in early trade, as the United States exerted no further pressure on Russia to end the Ukraine war through measures to disrupt its oil exports following a meeting of the leaders of both nations.

The hype surrounding the historic summit Friday between U.S. President Donald Trump and Russian President Vladimir Putin makes clear that Russia — even under global sanctions — remains a powerhouse in the energy market.

The United States is considering imposing sanctions on the Russian oil giants Rosneft and Lukoil as part of a package of measures aimed at forcing Kremlin leader Vladimir Putin to agree to a ceasefire with Ukraine.