CNBC | 20% of oil supply travels waters where ship seized CNBC The markets shuddered on Tuesday morning on reports that Iranian troops had fired upon and boarded a U.S. oil tanker traveling through the Strait of Hormuz, a strip of water separating Iran from the Arabian Peninsula. The Pentagon later said that Iran ... Oil up after Iran seizes cargo ship; weak dollar supports Oil trades mixed amid Iran cargo ship incident Oil market climbs on Iran reports |