New Delhi, Feb. 9 -- Japanese government bond (JGB) yields rose to their record highs after Prime Minister Sanae Takaichi secured a landslide victory in Sunday's snap election to the lower house of parliament, strengthening her mandate to pursue expansionary fiscal policies, including higher government spending and tax relief.

While Takaichi has repeatedly emphasised that her stimulus measures will not destabilise Japan's public finances, markets remain cautious given that Japan already carries the heaviest debt burden among developed economies.

Yields on long-dated Japanese bonds rose sharply, reflecting growing investor concerns. The 30-year JGB yield climbed 6.5 basis points (bps) to 3.615%. It had touched a record high of 3.88% last...