Stocks plunged today as poor profit forecasts from several high-tech...

Stocks plunged today as poor profit forecasts from several high-tech firms spread negative sentiment throughout the market. The Dow Jones industrial average closed down 292.22, or 3.02%, at 9,485.71; the S&P 500 fell 39.43, or 3.44%, closing at 1,106.44; and the Nasdaq composite dropped 109.98, or 6.19%, to close at 1,672.99. All numbers are preliminary.