The decision adds to economic uncertainty, as deals Donald Trump struck with other countries are upended

The decision is a stinging defeat for Trump — and three conservative justices voted against him.

The decision is a significant loss to US President Trump on an issue that has been critical for his economic agenda.

Ruling is blow to Trump’s bold assertions of authority and topples key pillar of aggressive economic agenda

Trump, as recently as Thursday, has talked up the consequences of the Supreme Court striking down his tariffs prior to the seismic ruling.

The Supreme Court ruled against a centerpiece of President Donald Trump's tariff agenda on Friday. Consumers could save money as a result, economists said.

Refunds for importers and negotiations for new trade deals are among issues to watch after the Supreme Court overturned Trump's tariffs.

The Supreme Court has weakened Trump's hand in dealing with other nations, writes Anthony Zurcher.

The ruling opens the door to potentially hundreds of billions of dollars in tariff refunds.

Schumer says ‘overreach failed’ after court rules president cannot bypass Congress’s power to tax

The US Supreme Court ruled that 'reciprocal' tariffs imposed by the American president were illegal.

British Chambers of Commerce official says US supreme court decision ‘does little to clear the murky waters’

Matt Totsch, the CFO of manufacturer Trim-Tex, said businesses like his have been dealing with crippling uncertainty caused by Trump’s chaotic tariff policies.

A toy importer says the Supreme Court decision was a rebuff to "insane fluctuations" in duties.

The decision adds to economic uncertainty, as deals Donald Trump struck with other countries are upended

But sadly, the economic uncertainty isn't over.

U.S. trading partners cautiously react to a Supreme Court ruling on tariffs, while Trump announces a new 10% import levy.

Some countries welcome the ruling, while others review trade deals and economic effect.

The US supreme court ruled against the president. Let’s hope the court removes its pro-Trump glasses on other issues and stands up for the rule of law

What's far less certain is the longer-reaching impacts as the economy and markets again adjust to a changing landscape.

EDITORIAL. The Supreme Court reasserted the primacy of the law over presidential arbitrariness on Friday. The decision encourages members of Congress to fully exercise their role…