Stocks extended gains in morning trading on Thursday led by energy shares, while large technology companies like Microsoft Corp (MSFT.O) and Intel Corp (INTC.O) rose about 5 percent.
The Dow Jones industrial average (.DJI) added 224.53 points, or 2.25 percent, to 10,198.98. The Standard & Poor's 500 Index (.SPX) rose 27.17 points, or 2.54 percent, to 1,095.12. The Nasdaq Composite Index (.IXIC) gained 63.85 points, or 2.91 percent, to 2,259.73.
Wall St opened higher after China denied a report it was reviewing its holdings in euro zone sovereign bonds.