The S&P 500 Index closed down 108.31 points, a decrease of 1.67%, at 6368.85 points.

The Dow Jones Industrial Average closed down 793.47 points, a decrease of 1.73%, at 45,166.64 points. The Nasdaq Composite Index closed down 459.724 points, a decline of 2.15%, at 20,948.357 points. The Nasdaq 100 Index closed down 454.223 points, a drop of 1.93%, at 23,132.771 points. The Philadelphia Semiconductor Index closed down 1.69%, at 7,457.668 points. The Philadelphia Stock Exchange KBW Bank Index closed down 2.37%, at 148.76 points. The Dow Jones KBW Regional Banks Index closed down 1.86%, at 123.11 points. The Nasdaq Biotechnology Index closed down 2.93%, at 5,549.40 points.