President Donald Trump announced plans to impose a 10% global tariff under Section 122, over and above existing tariffs already being charged. Speaking Friday at a White House press conference, Trump declared all national security tariffs under Section 232 and existing Section 301 tariffs to be in full force and effect. The announcement came after the US Supreme Court struck down the Trump administration's global tariffs.

Trump's move signals a significant escalation in trade policy, potentially affecting imports across multiple sectors. The Section 122 authority allows presidents to impose tariffs on imports that threaten national security, while Section 301 enables action against unfair trade practices. By invoking these provisions, Trump aims to maintain leverage in international trade negotiations despite the court's ruling.

The global tariff announcement creates uncertainty for businesses and investors who had anticipated a shift in trade policy. Companies with extensive supply chains spanning multiple countries may face increased costs as the 10% tariff applies broadly. The decision to keep existing tariffs in place adds another layer of complexity to an already volatile trade environment.