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Tension flow
Meanwhile, tensions intensified between Russia and the U.S. after Washington signed a deal with Poland to position missile interceptors on Polish soil. Russia warned that this could fuel an arms race and said its response will go beyond diplomacy.
The response "conjured up visions of Russian armored columns clanking through the streets of Warsaw," said Michael Fitzpatrick in a research note issued Thursday.
"Such a scenario will not only further diminish the dollar, but also the euro as safe havens," he said.
Meanwhile, "Russia blocked the entrance to Georgia's main oil port, and Russia is showing that it can control Europe's natural-gas supply," said Sean Brodrick, a natural resources analyst at MoneyandMarkets.com.