Wall St ends down

U.S. stocks closed lower with all three major averages logging their worst May since 2010, driven by rising concerns over the euro zone debt crisis and worries over slowing U.S. economy.
The Dow Jones Industrial Average dropped 26.41 points, or 0.21 per cent, to end at 12,393.45.
S&P 500 dipped 2.99 points, or 0.23 per cent, to close at 1,310.33. Among the key S&P sectors, techs closed lower, while financials climbed.
Nasdaq composite index slid 10.02 points, or 0.35 percent, to close at 2,827.34.