Hitting its highest level since June, the Nikkei Index closed at 10,013.63 today (November 18th), showing a rise of 201.97 points.
Those involved in online Forex trading may be interested to note that the weaker yen brought in overseas investment to boost financial shares, according to Reuters.
Senior strategist at Okasan Securities Takashi Ohba states they are seeing a variety of shares coming in.
"Foreign fund operators were unloading Japanese government bonds positions while buying back Nikkei futures, driving the overall upward move in stocks," he states.
Yesterday, the Nikkei also closed on a high after an initial fall, possibly caused by concerns over the Chinese interest rate.
One expert, however, disregards this theory and suggests that profit-taking was a more likely cause.
After dropping at the open by almost one per cent, it closed at 14.56 points up.