Suspected Iranian cyber and drone attacks are already impacting U.S. tech companies, and Iran says a list of American firms are now on its target list.

President Trump said he directed the Pentagon to “totally obliterate” military assets on Kharg Island. The U.S. said it was deploying thousands of Marines to the region.

The strikes on Kharg Island hit military sites, including those storing missiles and mines, a U.S. military official said, adding that economic infrastructure was not targeted. Oil prices have risen ...