Bolsa, mercados y cotizaciones
Wall Street falls at open; Dow, S&P negative for July
The Dow Jones industrial average fell 106.64 points or 0.63 percent, to 16,773.72, the S&P 500 lost 14.85 points or 0.75 percent, to 1,955.22 and the Nasdaq Composite dropped 43.19 points or 0.97 percent, to 4,419.71.
(Reporting by Chuck Mikolajczak; Editing by Bernadette Baum)