Bolsa, mercados y cotizaciones
Wall Street opens lower on euro zone woes
The Dow Jones industrial average dropped 52.15 points, or 0.41 percent, to 12,543.60. The Standard & Poor's 500 Index dropped 5.88 points, or 0.44 percent, to 1,331.89. The Nasdaq Composite Index dropped 16.71 points, or 0.59 percent, to 2,811.76.
(Reporting by Edward Krudy, Editing by Kenneth Barry)