But beyond the Ukraine tension, the oil market remains tight and prices are still on course for a move towards $100 a barrel, analysts said
In a nationally televised speech, Biden said the United States estimates that 150,000 Russian troops now encircle Ukraine, a higher number than previous estimates of about 100,000
He said he told Russian President Vladimir Putin during their phone call on Saturday that the US is willing to 'keep pursuing high-level diplomacy' to negotiate 'written understandings' with Russia
Stating that any such move by Russian President Vladimir Putin will prove to be a 'self-inflicted wound', Biden warned Moscow that the US and its allies will respond 'decisively'
Russia's Interfax news agency said that while large-scale drills across the country continued, some units of the Southern and Western military districts have started returning to base
Sanctions could disrupt payments to leasing firms, and any retaliatory move by Moscow to restrict access to Russian airspace might throw east-west trade into chaos
Russia-Ukraine Crisis: US intelligence has been closely monitoring troop, equipment and other moves in the region, while trying to factor in international events, like the Beijing Olympics
'They tell us Feb 16 will be the day of the attack. We will make it a day of unity,' Zelenskiy said in a video address to the nation
The Nikkei share average lost 2.23% to close at 27,079.59, posting its biggest daily percentage drop since January 27 and touching below the 27,000 level for the first time since January 31
Ukraine is not a NATO member but has a promise dating from 2008 that it will eventually be given the opportunity to join, a step that would bring the US-led alliance to Russia's border
Dutch airline KLM said it would halt flights to Ukraine and through the country's airspace, while Germany's Lufthansa said it was considering a suspension
Investors are also watching talks between the United States and Iran to revive the 2015 nuclear deal
Before talking to Biden, Putin is to have a call with French President Emmanuel Macron, who met with him in Moscow earlier in the week to try to resolve the crisis
An invasion could start with aerial bombing that would make departures difficult and endanger civilians, the BBC quoted the White House as saying on Friday
A Russian attack could begin any day and would likely start with an air assault, White House national security adviser Jake Sullivan told a media briefing
Rising oil prices boosted energy shares more than 2.8%, though most of the 11 major S&P 500 sector indexes declined, led by technology and consumer discretionary
US troops set to be deployed at eastern Europe within days; Washington offers talks but rejects main Russian demands
US Deputy Secretary of State Wendy Sherman and diplomats from France, Germany, Italy, and the UK discussed written responses to Russia's proposals on security guarantees and Normandy format meeting
Russia selling the S-400 air defence missile system to India shines a spotlight on the "destabilising role" that Moscow is playing in the region
Washington sets out a diplomatic path to address sweeping Russian demands in eastern Europe.