Dow Jones Futures: President Donald Trump's Iran warning sparked stock market losses Monday. Elon Musk-led SpaceX and Tesla rallied.

U.S. stock futures were lower on Monday, as the Dow Jones, S&P 500 and Nasdaq 100 indices fell, following Friday's lower close.

Dow Jones Futures: President Donald Trump's Iran warning sparked stock market losses Monday. Elon Musk-led SpaceX and Tesla rallied.