Stock market today: Dow, S&P 500, Nasdaq futures turn higher after brutal sell-off as Trump speaks in Davos

US stock futures turned higher on Wednesday in the wake of the steepest selloff in months as Wall Street took in President Trump's speech at Davos for insight into the Greenland crisis. Dow Jones Industrial Average futures (YM=F) edged up around 0.1%, while those on the tech-heavy Nasdaq 100 (NQ=F) rose 0.3%. Meanwhile, S&P 500 futures (ES=F) gained 0.4%, coming off a bruising Tuesday session that saw investors rush for the exits against a backdrop of global insecurity. Stocks have flip-flopped as Trump ...