By Kantaro Komiya

TOKYO (Reuters) -Japanese manufacturers’ sentiment was its best in more than three years in September, the Reuters Tankan poll showed, with trade uncertainties easing after Japan reached a tariff deal with the U.S. in July.

The monthly poll tracking the Bank of Japan’s quarterly business survey showed the manufacturers’ mood index improved to 13 in September from 9 in August, marking a third month of increases and the highest reading since August 2022.

Manufacturers expect sentiment to dip slightly to +11 by December, according to the survey of 497 major non-financial companies, of which 238 responded on condition of anonymity between August 27 and September 5.

Six of nine manufacturing industries surveyed saw their sub-indexes improving in August, including the auto

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