Dow Jones| Nasdaq | S&P 500 | US Stock Market Today | Live: US stock futures decline as US-Iran escalation rattles sentiment
Dow Jones| Nasdaq | S&P 500 | US Stock Market Today | Live: Chip stocks lead market decline
Technology shares, particularly semiconductor firms, were among the biggest losers. Micron, Western Digital, Seagate and Sandisk posted sharp declines, while SK Hynix dropped after its recent Nasdaq debut. The broader semiconductor ETF also fell, reflecting renewed volatility in the sector.