The Nikkei Average rose sharply to 66,819.25, while firm Dow futures helped support share prices in the Tokyo market.
The Nikkei Average closed at 66,819.25, up 1,337.98 points from the previous day. It was still rising as of 13:45 local time.
In the U.S. equity market, the New York Dow Average closed at 51,349.92, down 131.59 points from the previous day, while Dow futures were reported to be firm, providing support for the Tokyo market.
In Asian markets, the Shanghai Composite Index was trading at 3,830.45, up 6.83 points from the previous day.