U.S. stock futures slipped on Wednesday after Tuesday’s higher close. Futures of major benchmark indices fell.The equity markets will be closing at 1:00 p.m. and bond markets at 2:00 p.m. ET on the occasion of Christmas Eve, whereas it will be shut for the entire day on Thursday. On Tuesday, the S&P 500 index ended at a new closing record after the Gross Domestic Product (GDP) expanded at a 4.3% annualized pace in the third quarter, surpassing estimates near 3.3% and marking the fastest growth rate in two y ...