U.S. stocks are falling again, this time after the country’s largest retailer reported profits that came up short of Wall Street’s expectations. The S&P 500 fell 0.5% in early trading Thursday and was on track for a fifth straight modest loss since setting an all-time high last week.

Adjusted earnings per share were softer than Wall Street was projecting, coming in at 68 cents a share, compared with estimates for 73 cents. The adjusted figure excludes one-time gains on equity and other investments,