Asian share markets declined and Brent crude rose 3.3 percent to $78.50 a barrel following reports of intensified fighting in the Gulf and an Iranian claim to have closed the Strait of Hormuz. U.S. crude gained 3.4 percent to $73.83 while U.S. officials reported escorting around 20 vessels through the strait in the prior 24 hours. Ship-tracking data indicated minimal traffic, with inflation data and Federal Reserve testimony scheduled for Tuesday.