Japan’s government bond market is set for another tough year as investors contend with the largest net increase in supply in well over a decade. The nation’s sovereign debt - the worst performer among the world’s biggest markets last year - faces an 8% rise in net supply to about ¥65 trillion ($415 billion) in the fiscal year starting in April. This is according to Bloomberg analysis that accounts for the Bank of Japan’s reduced purchases and debt that will mature and be redeemed by the government. Most ...