Stock futures fell ahead of Monday’s session after the United States entered Israel’s war against Iran over the weekend by striking three nuclear sites, a move by President Donald Trump that raised oil prices and risked a bigger conflict in the Middle East.

Futures tied to the Dow Jones Industrial Average

fell by 109 points, or 0.3%. S&P 500 futures

shed 0.3% and Nasdaq 100 futures

lost 0.4%.