Bolsa, mercados y cotizaciones
Wall St. opens lower as earnings weigh; Amazon tumbles
The Dow Jones industrial average fell 90.71 points or 0.53 percent, to 16,993.09, the S&P 500 lost 6.93 points or 0.35 percent, to 1,981.05 and the Nasdaq Composite dropped 25.98 points or 0.58 percent, to 4,446.13.
Amazon was the largest decliner on the S&P 500, down nearly 12 percent.
(Reporting by Rodrigo Campos; Editing by Bernadette Baum)