Investors reacted to the Federal Reserve's decision to leave rates unchanged, by handing the S&P 500 its biggest percentage gain for a Fed day since last July. The Nasdaq Composite had its best Fed day since Nov.

Wall Street's major averages moved higher on Wednesday as traders turned their attention to the Federal Reserve's rate decision slated to come later in the day. Early on and the S&P 500 (SP500) was +0.

U.S. stocks are drifting higher Wednesday as Wall Street waits to hear what the Federal Reserve will say in the afternoon about where interest rates may be heading. The S&P 500 was up 0.3% in early trading.

U.S. stock indexes edged lower following another reminder that big, unsettling policy changes are underway because of President Donald Trump, along with more signals suggesting the U.S. economy remains solid for now.

U.S. stocks climbed Wednesday after the Federal Reserve said the economy still looks healthy enough to keep interest rates where they are. Wall Street also got a boost from easing yields in the bond market.