Investors jumped in to buy U.S. government bonds, the world’s safest debt, as Russia’s Vladimir Putin officially signed a decree to lower Russia’s threshold for nuclear weapon use. The 10-year yield declined by over 5 basis points to as low as 4.

Russian ruler Vladimir Putin issued a decree on 19 November approving Russia's updated nuclear doctrine shortly after the White House allowed Ukraine to use US-supplied weapons to strike deep into Russia.