Bolsa, mercados y cotizaciones
Wall Street drops 1 percent at open on China move
The Dow Jones industrial average lost 123.19 points, or 1.21 percent, to 10,021.00. The Standard & Poor's 500 Index dropped 11.83 points, or 1.10 percent, to 1,066.64. The Nasdaq Composite Index fell 22.18 points, or 1.02 percent, to 2,155.23.