Bolsa, mercados y cotizaciones
Wall Street drops 2 percent on waning optimism
Also, the S&P materials sector fell 3.3 percent, extending losses after the U.S. dollar continued to rise.
The Dow Jones industrial average fell 199.29 points, or 2.00 percent, to 9,763.29. The Standard & Poor's 500 Index lost 24.30 points, or 2.28 percent, to 1,041.81. The Nasdaq Composite Index dropped 40.61 points, or 1.94 percent, to 2,056.94.
(Reporting by Rodrigo Campos; editing by Jeffrey Benkoe)