NASDAQ DOWN 116.45 POINTS, OR 1.00 PERCENT, AT 11,518.86 AFTER MARKET OPEN  DOW JONES DOWN 156.02 POINTS, OR 0.50 PERCENT, AT 31,182.13 AFTER MARKET OPEN  S&amp;P 500 DOWN 29.13 POINTS, OR 0.75 PERCENT, AT 3,870.25 AFTER MARKET OPEN