The Wall Street Journal | Christopher Alessi: Oil prices ticked up only slightly Tuesday morning, despite escalating tensions between the U.S. and Iran that could further disrupt oil exports from the Islamic Republic.

Brent crude, the global benchmark, was up 0.18% to $73.19 a barrel on London�s Intercontinental Exchange. On the New York Mercantile Exchange, West Texas Intermediate futures were trading up 0.46% at $68.19 a barrel.

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