By Kevin Buckland

TOKYO (Reuters) -Japan’s Nikkei share average climbed to an all-time high on Friday, posting its biggest monthly gain in three decades, as tech stocks rallied following strong sales forecasts from Amazon and Apple.

A weaker yen also boosted heavyweight exporters, following its slide to a record low against the euro and the lowest level since February versus the dollar on Thursday after the Bank of Japan governor kept a cautious tone in holding interest rates steady.

The Nikkei closed up 2.1% at the session high of 52,411.34, a record peak that took the index’s gains for October to 16.6% – the biggest since January of 1994.

The broader Topix rose as much as 1.4% to reach an all-time peak of 3,348.06, before ending the day with a 0.9% gain at a record closing high of 3,

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