S&P 500 futures are flat ahead of key inflation data; traders monitor oil prices and Iran war: Live updates CNBCS&P 500 Slumps in Worst Day Since War Began The New York TimesDow tumbles more than 700 points as oil jumps, closing at new 2026 low under 47,000: Live updates CNBCStocks Sell Off as Economic Risks of Iran War Build WSJ