Stock futures flat as investors digest Fed decision

U.S. stocks slipped Thursday, showing few signs of recovering from Wednesday’s losses following a Federal Reserve decision and commentary that failed to placate markets. <p class="canvas-atom canvas-text Mb(1.0em) Mb(0)--sm Mt(0.8em)--sm" type="text" content="The S&amp;P 500&nbsp;(^GSPC)&nbsp;fell 0.39%,…