Wall St ends lower; Dow below 15,000

U.S. stocks closed broadly lower with the Dow closing below the psychologically-important 15,000 mark, after gunshots were fired outside the Capitol building and as U.S.  government shutdown dragged into its third day
The Dow Jones Industrial Average fell 136.66 points, or 0.90 per cent to 14,996.48.
S&P 500 dropped 15.21 points, or 0.90 per cent to 1,678.66.
All key S&P sectors remained in the red, dragged by utilities and industrials.
Nasdaq composite lost 40.68 points, or 1.07 per cent to 3,774.34.