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. <br />