The New York Stock Exchange (NYSE) closed lower on Thursday, with technology stocks leading the decline.
The Dow Jones Industrial Average dropped by 807.77 points, or 2.8%, to finish at 28,292.73.
The S&P 500 index also plunged by 3.5% and closed at 3,455.06.
Bearing the highest losses, the Nasdaq Composite finished lower by 598.34 points, or 5%, at 11,458.10 points.