Telecomunicaciones y tecnología
Stocks rally on Google, energy stocks
The S&P 500 briefly rose more than 4 percent. Traders cited bargain-hunting as contributing to the steep rise.
The Dow Jones industrial average was up 250.25 points, or 2.79 percent, at 9,229.51. The Standard & Poor's 500 Index was up 33.88 points, or 3.58 percent, at 980.31. The Nasdaq Composite Index was up 58.22 points, or 3.39 percent, at 1,775.93.
(Reporting by Kristina Cooke; Editing by Kenneth Barry)