Wall St ends lower

Dow Jones Industrial Average fell 21.19 points, or 0.16 per cent at 13,391.36.
after latest Fed meeting minutes revealed disagreement on how long the central bank should buy bonds
S&P 500 lost 3.05 points, or 0.21 per cent at 1,459.37.
Nasdaq slipped 11.69 points, or 0.38 per cent to 3,100.57.
Most key S&P sectors finished in negative territory, led by techs and materials.