Oil companies rise after Iran and US conduct air strikes

Valero Energy

28/05/2026 13:52

** Shares of U.S. energy companies rise premarket, tracking a rise in crude prices O/R
** Brent crude futures LCOc1 3% at $97.14/barrel, while U.S. West Texas Intermediate CLc1 3.1% at $91.44/barrel 
** Oil prices rise after Iran's Revolutionary Guards said they had targeted a U.S. air base in response to an earlier U.S. attack in the port city of Bandar Abbas
** Energy majors Chevron CVX.N rise 1.1% and Exxon Mobil XOM.N climbs 1% 
** Oil and gas producers APA Corp APA.O, Diamondback Energy FANG.O, Devon Energy DVN.N and SM Energy SM.N rise 1% and 1.4% 
** Oilfield services companies Baker Hughes BKR.O and SLB SLB.N up 0.5% each 
** Refiners Marathon Petroleum MPC.N and Phillips 66 PSX.N climbs 1% and 1.2%, respectively 
 

 (Reporting by Varun Sahay in Bengaluru)
 ((Varun.sahay@thomsonreuters.com))