Putin updates nuclear doctrine amid U.S. missile support for Ukraine

Russian President Vladimir Putin has updated the country's nuclear doctrine, threatening escalation against Ukraine and the U.S. This change follows President Biden's recent approval for Ukraine to use long-range American-made missiles in its conflict with Russia. Under the new doctrine, Russia will view aggression from any nation backed by a nuclear power as a joint attack, potentially triggering a nuclear response. This announcement coincides with claims that Ukraine used U.S.-made missiles to strike the Bransk region. The update comes on the 1,000th day of the war in Ukraine. Following these developments, European and U.S. markets fell, while safe haven assets like gold rose.