According to Reuters, U.S. stocks have plunged again, sending markets into turmoil.br Nasdaq confirms the trading correction, as the S&P and Dow erase all of its 2018 market gains.br Moreover, disappointing forecasts from chipmakers have continued to raise doubts over economic and profit growth.br The Nasdaq closed down 12.4 from its Aug. 29 record closing high.br It fell 4.4 for the day in its biggest one-day percentage decline since August 2011.br Additionally, sales of new U.S.