Global stocks rise after China denies report claiming it was reviewing its holdings in euro-zone sovereign bonds US stocks up on energy and tech; Europe's FTSEurofirst 300 regains 1,000-mark

US stocks extend gained led by energy shares, while large technology companies like Microsoft Corp and Intel Corp rose about 5 percent.

The Dow Jones industrial average added 284.54 points, or 2.85 percent, to 10,258.99. The Standard & Poor's 500 Index rose 35.11 points, or 3.29 percent, to 1,103.06. The Nasdaq Composite Index gained 82.80 points, or 3.73 percent, to 2,277.68.

Europe's FTSEurofirst 300 gained 2.91 percent, regaining the 1,000-mark after falling below that level a week earlier.

The pan-European index rose 2.8 percent at 999.53 points after hitting a one-week intraday high of 1,001.04 earlier.

Investor sentiment remained buoyant after China denied a report it was reviewing its holdings in euro-zone sovereign bonds.

Japan's Nikkei average came off a six-month low to jump 1.2 percent in its best one-day performance in two weeks, with a weakening of the yen against the euro helping counter persistent concern about Europe's debt crisis.

The benchmark Nikkei rose 117.06 points to 9,639.72 after falling as low as 9,395.29 in early trade, its lowest since early December.