Stock markets suffer worst day since early August meltdown The Washington PostStock market today: Dow slides 600 points, Nasdaq sinks 3% as Nvidia leads chip sell-off Yahoo FinanceNikkei and Taiex plunge 4%, leading losses in Asia after Wall Street plummets on weak U.S. data CNBCSensex Today | Stock Market LIVE Updates | Sensex down over 400 pts, Nifty below 25,150; Infy, ICICI Bank… The Economic TimesDow falls by more than 600 points as September turns ugly CNN