Bolsa, mercados y cotizaciones
Wall Street opens lower on economic worry
The Dow Jones industrial average dropped 49.19 points, or 0.41 percent, to 12,083.30. The Standard & Poor's 500 Index fell 7.23 points, or 0.56 percent, to 1,279.71. The Nasdaq Composite Index lost 16.46 points, or 0.60 percent, to 2,728.15.
(Reporting by Chuck Mikolajczak)