Bolsa, mercados y cotizaciones
Wall St. opens lower on uncertainty over China, Greece
The Dow Jones industrial average fell 50.24 points, or 0.28 percent, to 17,726.67. The S&P 500 lost 10.03 points, or 0.48 percent, to 2,071.31 and the Nasdaq Composite dropped 43.45 points, or 0.87 percent, to 4,954.01.
(Reporting By Sudarshan Varadhan; Editing by Savio D'Souza)