The price of a barrel of Brent crude oil, the international standard, has topped $100 a barrel again, jolting markets just days after it spiked near $120.

BEIJING/SINGAPORE: Oil prices jumped on Thursday as Iran stepped up attacks on oil and transport facilities across the Middle East, raising fears of a prolonged conflict and…

Oil prices climbed back above $100 per barrel Thursday after attacks on commercial shipping in the Persian Gulf raised fears of further disruptions to global energy supplies.