Stock Market Today: The Dow Jones index drops while oil prices jump Monday after the U.S. and Iran exchange new strikes.

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 Today | US Stock Market Live: Wall Street futures edged lower on Monday after military clashesbetween the U.S. and Iran drove up oil prices, stoking inflation fears as…