Wall Street was mixed with low volumes of trading Friday with major U.S. markets struggling to end in positive territory for the week. Futures for the S&P 500 were virtually unchanged before the bell,

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 edging lower on a relatively quiet Wall Street. The S&P 500 slipped by 0.2%, a day after setting an all-time high. The Dow Jones Industrial Average