Wall St ends mixed

U.S. stocks closed mixed with S&P 500 ending 6-day of gains amid ongoing concerns over global economic slowdown.
Dow Jones Industrial Average slid 38.52 points, or 0.29 per cent to 13,169.43.
S&P 500 erased 1.76 points, or 0.13 per cent at 1,404.11. Most key S&P sectors ended in the red, led by materials, while techs pulled off a small gain.

Nasdaq composite managed to gain 1.66 points, or 0.05 per cent at 3,022.52.