Wall St ends lower

U.S. stocks closed lower overnight with S&P 500 down for third straight session on concerns over EU debts situation and global economic growth
Dow Jones Industrial Average fell 20.55 points, or 0.15 per cent to 13,558.92.
S&P 500 dipped 3.26 points, or 0.22 per cent to end at 1,456.89.
Among the key S&P sectors, techs and energy led the laggards, while utilities closed higher
Nasdaq declined 19.18 points, or 0.60 percent, to end at 3,160.78.