.What's behind the stock exchange's ruthless 2-day system crash? FortuneMarkets end the day dramatically lesser after poor work turn up kindles fears of a decreasing economic situation CNNDow closes down 600 points, Nasdaq enters into adjustment after feeble jobs file: Stay updates CNBCStocks pounded after this week's labor information presents financiers addressing 'bad news as trouble' Yahoo FinanceDow, S&P 500, Nasdaq have worst session considering that 2022 Fox Service.