Last Updated: Monday, August 24, 2015, 19:16
The Dow Jones industrial average fell 955.93 points, or 5.81 percent, to 15,503.82, the S&P 500 lost 94.92 points, or 4.82 percent, to 1,875.97 and the Nasdaq composite dropped 378.08 points, or 8.03 percent, to 4,327.96.