Wall Street is retreating from its record as a slide for Walmart weighs on U.S. stock indexes Thursday. The S&P 500 was down 0.6% in morning trading after setting all-time highs in each of the last two days.

U.S. stock indexes are falling sharply Friday after reports showed worries about President Donald Trump’s policies may be hitting the U.S. economy. The S&P 500 was down 1.3% in afternoon trading and on track for its worst day in weeks.