Wall St ends lower
Dow Jones Industrial Average fell 55.44 points, or 0.41 percent to 13,328.85.
S&P 500 lost 4.74 points, or 0.32 per cent at 1,457.15.
Most key S&P sectors closed down on telecoms, while materials gained.
Nasdaq composite dropped 7.00 points, or 0.23 per cent to 3,091.81.