The Nikkei has boosted its value for the fourth day in a row, recording its biggest daily gain in three weeks during trading today (October 11th).
It rose by 1.5 per cent as the US government shutdown looked set to draw to a close.
Exporters such as Nikon Corp were among those to perform well on the index during the session, helping the Nikkei to post a 1.5 per cent increase.
According to a report by Reuters, the index gained 210.03 points to 14,404.74, which is the highest figure it has closed at since the start of the month.
The Nikkei was therefore up 2.7 per cent for the week as a whole, adding to the strong gains recorded by the index since the start of the year.
Yesterday's trading session saw the Nikkei up 1.1 per cent, helping the index to a new one-week high as its run of improvement continued.
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