U.S. stocks closed lower Wednesday after mixed data, with energy leading decliners and utilities leading. (Tweet This)

"I'm definitely seeing a momentum shift and this market has seemed like a momentum-driven market these few months. If momentum does shift it feels like there's not enough economic foundation and initiatives, what the Fed is going to do. ... This is a pretty good challenge point for the market," said Daniel Deming, managing director at KKM Financial.