The S&P 500 Index ($SPX) (SPY) on Thursday closed down -0.51%, the Dow Jones Industrials Index ($DOWI) (DIA) closed up +0.20%, and the Nasdaq 100 Index ($IUXX) (QQQ) closed down -1.06%.
US stocks on Thursday added to Wednesday's plunge, when the S&P 500 index fell -2.31% and the Nasdaq 100 index fell -3.65%. Wednesday's plunge was driven by disappointing Tesla and Google earnings, weakness in chip stocks, doubts about when AI bets will pay off, concern about economic growth, and US political uncertainty.
