TOKYO: Yields on some Japanese government bonds rose on Thursday ahead of comments by Federal Reserve Chairman Jerome Powell that may determine how soon the US central bank will start reducing debt purchases.

However, trading was subdued as some investors remained on the sidelines ahead of an announcement on US economic stimulus measures expected later in the day.

Benchmark 10-year JGB futures fell 0.03 point to 151.87, with a trading volume of 14,134 lots.

The 10-year JGB yield was flat at 0.025%. The 20-year JGB yield was flat at 0.405%.

The 30-year JGB yield was flat at 0.630%, but the 40-year JGB yield rose 1 basis point to 0.675%.

The five-year yield rose 0.5 basis point to minus 0.105%.

The two-year JGB yield rose 0.5 basis point to minus 0.125%.