Telecomunicaciones y tecnología
Bank concerns and lower oil hit Wall Street
* U.S. front-month crude drops 3.1 percent, or $1.11, to $34.83 a barrel.
* KBW bank index sheds more than 4 percent
* The Dow Jones industrial average fell 150.93 points, or 1.90 percent, to 7,788.60. The Standard & Poor's 500 Index dropped 16.24 points, or 1.95 percent, to 817.50. The Nasdaq Composite Index lost 20.74 points, or 1.36 percent, to 1,509.76.
(Reporting by Rodrigo Campos; Editing by Tom Hals)