Poor earnings results and a slump in the major gauges leave the weekend uncertain as futures hug the flatline.

Stocks fell sharply after reports signaled concerns that President Trump's policies could be impacting the U.S. economy.

A sharp slide for Walmart on Thursday helped pull Wall Street off of its record. The S&P 500 slipped 0.4% for its first drop after setting all-time highs in each of the last two days. The Dow Jones Industrial Average lost 450 points,