U.S. shares fall as companies report earnings for Q1

Wall Street shares closed lower on Thursday trading session snapping their streak of gains lasting for six straight days as drop of AT&T and biotech shares overshadowed increase of Boeing and Gilead. The Standard & Poor's 500 Index slipped 0.22% to 1,875.39, the Nasdaq Composite Index fell 0.83% to 4,126.967 and the Dow Jones industrial average tumbled 0.08% to 16,501.65.