Wall St ends lower

In May, U.S. stocks closed with significant losses; Dow and S&P 500 posting their worst 1-day fall since mid-April, but major averages still show monthly gains.
Dow Jones Industrial Average fell 208.96 points, or 1.36 per cent, to close at 15,115.57.
S&P 500 fell 23.67 points, or 1.43 per cent to 1,630.74, while Nasdaq slipped 35.39 points, or 1.01 per cent to 3,455.91.