S&P 500 falls despite Iran fighting pause as chip stocks tumble: Live updates CNBCU.S. Stocks Mixed on Oil Relief, AI Doubts WSJStock Market Today: Dow rises, but S&P 500 and Nasdaq are dragged lower by weakness in chips and tech stocks; Treasury yields and oil prices fall; investors eye Fed decision and big tech earnings MarketWatchStocks mixed, oil and Treasury yields drop on Iran-US pause Reuters
