Dow futures plunge nearly 400 points as U.S. attack on Iran sends oil prices soaring, while Trump warns more American casualties are likely

U.S. stock futures pointed to a risk-off trade Sunday evening as investors reacted to the U.S.-Israeli bombardment of Iran over the weekend.

The selloff comes after President Donald Trump warned more casualties are likely from Operation Epic Fury, joining the first ones reported, while the FBI is investigating a mass shooting last night in Texas as potential terrorism.

Earlier, Trump has suggested the conflict with Iran could last a while as he makes regime change a goal, saying on social media Saturday that the bombing will continue “as long as necessary to achieve our objective of PEACE THROUGHOUT THE MIDDLE EAST AND, INDEED, THE WORLD!”

Futures tied to the Dow Jones industrial average tumbled 368 points, or 0.72%. S&P 500 futures were down 0.53%, and Nasdaq futures lost 0.54%.

U.S. oil futures shot up 6.1% to at $71.12 a barrel, and ...