.What's behind the stock exchange's brutal 2-day system crash? FortuneMarkets finish the day greatly reduced after poor projects turn up sparks concerns of a slowing economic condition CNNDow shuts down 600 factors, Nasdaq enters adjustment after poor projects document: Reside updates CNBCStocks knocked after this week's labor information presents clients treating 'trouble as bad news' Yahoo FinanceDow, S&P 500, Nasdaq have worst session since 2022 Fox Service.