S&P 500, Nasdaq close lower, dragged by Alphabet and megacap tech; focus on Iran
By Abigail Summerville, Twesha
Dikshit and Joel
Jose
Mon June 22, 2026
AI profitability jitters rattled the tech sector again today dropping both the S&P and Nasdaq like rocks from the outset with funds flowing back into industrials as the Dow rose 3-digits again. The markets continue to evaluate the very up and down Iran negotiations. The next test for tech comes Wednesday with Micron’s quarterly report, which is up 300% so far this year.