Stock Market Today: Dow Slides 400 Points On Continued U.S.-Iran Attacks; Oil Prices Jump Again (Live Coverage)

Futures for the Dow Jones Industrial Average and the other major stock indexes traded lower Tuesday, as U.S and Iran continued to exchange attacks over the weekend. Meanwhile, oil prices surged on the stock market today, with international benchmark Brent crude back near $100 a barrel. Ahead of Tuesday's open, Dow futures dropped 0.7%, or nearly 400 points, while S&P…