Bolsa, mercados y cotizaciones
Wall Street tumbles on Europe concerns
The Dow Jones industrial average dropped 178.20 points, or 1.71 percent, to 10,266.17. The Standard & Poor's 500 Index fell 22.16 points, or 1.99 percent, to 1,092.89. The Nasdaq Composite Index lost 48.21 points, or 2.10 percent, to 2,250.16.