Iran also warned the U.S. from taking further actions in the region, which helped push oil prices to their highest in almost eight months, report Viola Gienger and Heather Langan for Bloomberg.
“We usually don’t repeat our warning, and we warn only once,” head of Iran’s army, Ataollah Salehi, said. “We recommend and emphasize to the American carrier not to return to the Persian Gulf.”
The oil ETF ended 2011 with a slight loss.
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Max Chen contributed to this article.