The U.S. Supreme Court on Friday struck down much of President Donald Trump's "reciprocal" tariffs. But Trump didn't take their decision lying down.

The decision is a significant loss to US President Trump on an issue that has been critical for his 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 ruling opens the door to potentially hundreds of billions of dollars in tariff refunds.

President Donald Trump's so-called "reciprocal" tariffs were deemed unconstitutional by the Supreme Court, but some sector-specific tariffs remain in place.

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

Supreme Court blocks Trump's emergency tariffs, but he plans to invoke other laws to maintain and raise tariffs.

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

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

The U.S. Supreme Court on Friday struck down much of President Donald Trump's "reciprocal" tariffs. But Trump didn't take their decision lying down.

The U.S. Supreme Court on Friday struck down much of President Donald Trump's "reciprocal" tariffs. But Trump didn't take their decision lying down.

The White House is set to impose a 15 percent tariff through Section 122 after the US Supreme Court ruled against Trump.

President Trump's new tariffs could further strain global trade relations, pushing businesses to operate more cautiously and hurting the U.S. economy.

New tariffs on imported goods come into effect as Trump moves to rebuild his trade agenda after top court's ruling.

The Supreme Court decision to strike down Trump's tariffs has thrown fresh confusion over the raft of trade deals negotiated with global partners, stalling trade talks.