* Oil Prices Spike On Rumors Russia Is Preparing To Invade Ukraine OilPrice.com
* Oil jumps amid escalating tensions between Russia and Ukraine CNBC
* Oil supply impact of a Russian invasion 'not entirely clear,' energy trader says Yahoo Finance
* Ukraine crisis exposes West's abysmal understanding of energy markets Nikkei Asia
* Investors Bet Ukraine-Russia War Will Be Averted The Wall Street Journal
* View Full Coverage on Google News
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