Bank of Japan Governor Kazuo Ueda said the timing of the next interest rate hike was "approaching" as the economy was moving in line with the central bank's forecasts, the Nikkei newspaper reported, leaving open the chance of a December rate increase.

The Japanese yen rose to a six-week high against the dollar Friday. While trading was thin because of the Black Friday holiday in the U.S., the moves are still worth watching after volatility in the Asian currency sparked market turmoil earlier this year.

Tokyo inflation accelerated more than expected in November while other data showed the economy moving broadly in line with Bank of Japan projections, feeding into speculation over a possible December rate hike and bumping the yen.

The yen jumped more than 1% against the U.S. dollar to a six-week high on Friday after faster-than-expected inflation in Tokyo supported bets for a Bank of Japan interest rate hike next month. The dollar sagged against its peers in trading thinned by the U.