Wall Street ends lower after Fed official's comments

US stocks ended lower on Thursday, with declines picking up steam late in the day after a Federal Reserve official said the central bank could begin easing up on its monetary stimulus this summer.

Also Read: Europe debt crisis offers bargains for Asian cos: Macquarie
Based on the latest available data, the Dow Jones industrial average fell 42.47 points, or 0.28 percent, to end unofficially at 15,233.22. The Standard & Poor's 500 Index slipped 8.31 points, or 0.50 percent, to finish unofficially at 1,650.47. The Nasdaq Composite Index declined 6.37 points, or 0.18 percent, to close unofficially at 3,465.24.