.What's behind the securities market's harsh 2-day crash? FortuneMarkets end the time dramatically lower after weaker work show up fires up anxieties of a slowing economic situation CNNDow closes down 600 factors, Nasdaq enters adjustment after poor work document: Live updates CNBCStocks pounded after this full week's labor data presents financiers treating 'problem as trouble' Yahoo FinanceDow, S&P 500, Nasdaq have worst session given that 2022 Fox Business.