Long-dated Japanese government bonds saw little relief on Wednesday after a poor auction result sent yields to record levels and as more debt sales loomed in the weeks ahead.

Global bond markets face significant shifts as Japanese and US Treasury yields rise sharply, indicating inflation and fiscal pressures. Japan's 30-year yield hits a record high, while Moody's downgrade of US debt raises concerns over its $36 trillion liabilities,

Japan's bond yield surge hints at global market risks. See how it impacts U.S. Treasuries, the yen, and top investments like Toyota and Sony.