US stock futures stalled on Tuesday as investors weighed President Trump's hint at a fast end to the Iran war, which sent oil prices sliding and raised hopes of limited economic fallout from the conflict. Dow Jones Industrial Average futures (YM=F) hovered above the flatline following a turbulent session that saw stocks rebound to close with gains. Contracts on the S&P 500 (ES=F) and the Nasdaq 100 (NQ=F) were also little changed, giving up earlier slight premarket gains. Oil prices fell swiftly after T ...