Stock market today: Dow, S&P 500, Nasdaq futures fall as 4-week down spiral continues, Trump threatens Iran

US stock futures slid Sunday evening with the US-Israeli war in Iran maintaining downward pressure after US equities notched a fourth consecutive week of losses.Futures tied to the Dow Jones Industrial Average (YM=F) dropped 0.1%. S&P 500 futures (ES=F) declined 0.2%, while Nasdaq 100 futures (NQ=F) fell 0.3%.