Wall Street opens lower on growth concerns

NEW YORK - US stocks opened lower on Monday, on the heels of back-to-back weekly declines for the S&P 500 as investors grew cautious over stock valuations with indexes near record levels amid mixed economic data.

The Dow Jones industrial average .DJI fell 36.34 points, or 0.22 per cent, to 16,454.97, the S&P 500 .SPX lost 3.61 points, or 0.19 per cent, to 1,874.25 and the Nasdaq Composite .IXIC dropped 7.96 points, or 0.19 per cent, to 4,082.63.