India, Aug. 8 -- Crude oil posted incremental gains on Friday as uncertainty prevails over the US-Russia conflict over the war with Ukraine combined with the "sanctions" threat on Russian oil exports.

Today, the WTI Crude Oil was last seen trading, up by $0.03 (or 0.05%), to $63.91 per barrel.

Days before, US President Trump had issued an ultimatum to Russia (with a deadline that expires today) to find ways to end its war with Ukraine or face very high tariffs on its oil exports. He also threatened that those nations buying Russian oil would also be imposed "secondary sanctions" as a "penalty" tariff if they continue purchasing from Russia.

Trump later imposed an additional 25% tariff on India, which is a large purchaser of Russian oil, ...