Stocks plummeted in volatile trading Monday, extending a steep sell-off from the previous session.
The Dow traded more than 1,500 points lower at one point before swinging back to close down more than 1,100 points.
The S&P 500 lost more than 4 percent, with health care and energy lagging. The broad index had traded positive earlier Monday as the tech sector briefly rose. The Nasdaq declined by more than 3.5 percent, also off its earlier low.