Domestic oil refiner stocks climbed in early trading on September 1 as renewed military tensions between the U.S. and Iran drove international crude prices higher. At 9:28 a.m. on the KOSPI, SK Innovation rose 8,400 Korean won, or 6.69%, to 133,900 Korean won. S-Oil gained 3,500 Korean won, or 2.33%, to 153,600 Korean won, while GS added 1,500 Korean won, or 1.18%, to 128,600 Korean won. U.S. military authorities carried out direct strikes on Iranian territory for the first time in about a month, hitting two rocket-launching facilities of the Islamic Revolutionary Guard Corps (IRGC), Iran’s elite military force, on Larak Island near the Strait of Hormuz. Iran retaliated against U.S. military bases in the United Arab Emirates (UAE) and Jordan. October-delivery West Texas Intermediate (WTI), a U.S. crude oil benchmark, jumped 2.83% to close at $85.76 per barrel, while Brent rose 2.71% to $90.49.