Telecomunicaciones y tecnología
Stocks fall further, Nasdaq off 2 percent
* The Dow Jones industrial average was down 193.54 points, or 1.80 percent, at 10,531.89. The Standard & Poor's 500 Index was down 19.15 points, or 1.66 percent, at 1,131.08. The Nasdaq Composite Index was down 47.21 points, or 2.03 percent, at 2,273.19.
* The CBOE Volatility index , Wall Street's favorite measure of sentiment, jumped more than 11 percent, its biggest one-day jump in nearly two months.
* Reports that China had instructed some banks to curb lending this month added to caution.
* A jump in the U.S. dollar also weighed on the market as global commodity prices came under pressure.
(Reporting by Ellis Mnyandu; editing by Jeffrey Benkoe)