Japan's longest-dated government bond yields climbed to all-time highs on Tuesday, after a poor auction sparked a selloff in the bond market as worries about the country's fiscal health grow.

Long-dated Japanese government bond yields rose further from three-week lows on Wednesday, after demand at a closely watched 40-year bond auction dropped to its lowest level since July.

In the revised issuance plan, the government will reduce 20-year Japanese government bond (JGB) sales by 1.8 trillion yen ($12.38 billion) to 10.2 trillion yen for the year ending in March, while ...

TOKYO (Reuters) -Japan's super-long government bond yields have spiked to record highs, as mounting political calls for tax cuts and big spending draw investors' attention to the country's fiscal ...