Shares closed markedly decrease within the first buying and selling session since President Donald Trump introduced a brand new 15% tariff on most imported items, intensifying his effort to impose levies that had been struck down by the Supreme Courtroom.
The Dow Jones Industrial Common fell 820 factors, or 1.6%, whereas the S&P 500 dropped 1%. The tech-heavy Nasdaq declined 1.1%.
Some tech shares fell sharply as advances in synthetic intelligence continued to reverberate by the markets, placing additional drag on the main inventory indexes. Shares of Worldwide Enterprise Machines (IBM) closed down greater than 13%.
Cryptocurrency costs additionally tumbled on Monday. The worth of bitcoin fell 4.3%, placing it at about $64,450, its lowest degree since Feb. 3.
Gold costs jumped to their highest degree in three weeks as traders sought the safe-heaven asset amid heightened uncertainty.
In a social media publish on Monday, Trump reiterated his criticism of the Supreme Courtroom.
The Supreme Courtroom, Trump mentioned, “by accident and unwittingly gave me, as President of the USA, much more powers and energy than I had prior.”
Trump retains the facility to levy a 15% tariff for as much as 150 days underneath the Commerce Act of 1974, which permits the president to handle commerce disparities with different international locations.
President Donald Trump speaks throughout a press convention within the Brady Press Briefing Room of the White Home in Washington, February 20, 2026.
Aaron Schwartz/Getty Photos
Hours after the Supreme Courtroom ruling on Friday, Trump mentioned he would signal an government order enacting a brand new 10% “international tariff,” invoking authority underneath Part 122. On Saturday, Trump escalated the tariff to fifteen%.
Trump vowed to provoke investigations as a part of an effort to impose further tariffs over the approaching months.
“It is a bit longer course of,” Trump mentioned on the White Home on Friday. “I attempted to make issues easy however they wouldn’t allow us to do this.”
The excessive courtroom dominated that the Worldwide Emergency Financial Powers Act (IEPPA) doesn’t authorize Trump to impose levies, nullifying a significant swathe of country-specific tariffs issued by the president on “Liberation Day,” in addition to a ten% tariff positioned on all imports and a bunch of different measures.
Some tariffs issued by Trump will likely be unaffected by Friday’s ruling, together with a 50% levy on all metal and aluminum merchandise.
