U.S. stock futures rose in early European trade as markets stabilized after the Federal Reserve's rate meeting Wednesday. Despite holding rates, analysts worry that Chairman Kevin Warsh is unwilling to deliver a rate hike to control inflation. With higher oil prices, the 30-year Treasury yield hit a 19-year high.

Oil prices extended gains after U.S. forces launched strikes against Iran in response to Tuesday's attack in Jordan. Brent crude rose 1.8% to $92.42 a barrel, while WTI futures climbed 1% to $85.29. U.S. crude stocks fell by 7.2 million barrels last week, far exceeding the 600,000-barrel forecast, underscoring tightening supply. Flows through the Strait of Hormuz remain severely curtailed.

Tech stocks steadied after heavy selling, with Samsung Electronics results encouraging investors that the AI boom has longer to run. Nasdaq futures rose 0.3%, leading indexes higher. Ahead: U.S. growth and inflation data, the Bank of England policy decision, and earnings from Apple and Amazon after the bell.