Oil prices head for second weekly rise as U.S. vows to turn up economic pressure on Iran

Crude prices were slightly lower early Friday but on course for a second consecutive weekly gain as the U.S. vows to mount the "toughest sanctions in history" against Iran. U.S. Treasury Secretary Sco...

本文内容来自外部来源，点击「继续访问」将跳转到原始发布站点。