The number of issuers dropping Mizuho Securities Co. as underwriter of their bond deals continues to grow after a securities watchdog began investigating the firm.

Poland returned to the Samurai market after stable conditions in Japanese government bond yields let it tap investors looking for bigger returns than they can get from domestic issuers.

Subaru Corp. plans to buy back as much as roughly ¥30 billion ($194 million) of outstanding corporate bonds to reduce its debt, the company said.

Bankers expect another blockbuster year for sales of yen-denominated corporate debt from Japanese companies following the record tally of bonds issued in 2025.

SoftBank Group Corp. will raise about ¥500 billion ($3.2 billion) from retail investors at a coupon of 3.98% — the highest on a yen-denominated senior bond from the company in more than 15 years.

SoftBank Corp. priced ¥46 billion ($292 million) in bonds on Friday, bringing its already record issuance this year to around ¥400 billion.