The Nikkei index ended the day up 0.84% at 30,093.59 points, after hitting a high of 30,115.32 points in the afternoon session.
The index has risen around 0.73% and 0.9% in each of the past four sessions, in a succession that has coincided with earnings reporting season.
As for the broader Topix index, it performed moderately, closing up 0.3% at 2,133.61 points.
But it was again at its 33-year high, which it recorded on Tuesday, when it rose to 2136.39 points in the early afternoon.
The domestic earnings season largely ended on Monday with a string of strong results and several stock buybacks during the week.
During Tuesday’s session, the Nikkei index consolidated its gains, rising 0.73% to 29,842.99 points, marking the highest closing level since November 2021.
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