Microsoft shares hit their lowest since 1998.

Data on U.S. jobless, housing fed worries over economy.

Apple jumped after profit beats expectations.

The Dow Jones industrial average <.DJI> fell 105.30 points, or 1.28 percent, to end unofficially at 8,122.80. The Standard & Poor's 500 Index <.SPX> slid 12.74 points, or 1.52 percent, to finish unofficially at 827.50. The Nasdaq Composite Index <.IXIC> declined 41.58 points, or 2.76 percent, to close unofficially at 1,465.49.

(Reporting by Rodrigo Campos; Editing by Jan Paschal)