.What's behind the securities market's harsh 2-day accident? FortuneMarkets finish the day dramatically reduced after weak tasks report ignites fears of a slowing down economy CNNDow closes down 600 points, Nasdaq gets into adjustment after poor tasks record: Stay updates CNBCStocks pounded after this week's effort records presents entrepreneurs treating 'trouble as trouble' Yahoo FinanceDow, S&P five hundred, Nasdaq have worst session because 2022 Fox Company.