Skip to navigationSkip to main contentSkip to right columnADVERTISEMENTRich AsplundTue, June 23, 2026 at 5:16 PM GMT+2 6 min readThe S&P 500 Index ($SPX) (SPY) today is down -1.04%, the Dow Jones Industrial Average ($DOWI) (DIA) is up +0.01%, and the Nasdaq 100 Index ($IUXX) (QQQ) is down -2.67%. September E-mini S&P futures (ESU26) are down -1.00%, and September E-mini Nasdaq futures (NQU26) are down -2.66%. Stock indexes are falling sharply today, with the S&P 500 posting a 1.5-week low and the Dow Jones Industrial Average and the Nasdaq 100 posting 1-week lows. Concerns over the high valuations of chipmakers and memory stocks, among the biggest beneficiaries of the artificial-intelligence trade, have led to global selling in those sectors today as investors question whether future returns can justify current spending on AI. Today's +5% jump in International Business machines is limiting losses in the Dow Jones Industrials.More News from BarchartD-Wave Just Unveiled a Major Quantum Breakthrough. QBTS Stock Looks Ready for Another Surge.Micron Technology Earnings: Bull Put Spread Trade