The Dow dropped more than 750 points Friday as investors fret over the risk of a widening war in the Middle East.

Escalating conflict between Israel and Iran sent the stock market falling on Friday. The Dow Jones Industrial Average dropped 770 points, or 1.8%. The S&P 500 fell 1.1%. The Nasdaq Composite was off 1.

tumbled in early trading on Friday as the ultimate outcome of the Israel-Iran conflict remained unclear. The Dow Jones Industrial Average fell 575 points, or 1.3%, at the close of trading.

Iran launched three retaliatory waves of missiles at targets in Israel on June 13, as Israelis rode out the attacks in bomb shelters and world leaders discussed the deepening conflict. Plumes of smoke rose over central Tel Aviv and at least one building was hit and set ablaze.