Tariffs face an uncertain future after Supreme Court hearing. Here are the potential market impacts

A Supreme Court tariff hearing Wednesday provides the biggest legal and policy challenge of President Donald Trump's administration, with economic fallout likely to follow. As for its impact on markets, it's complicated. The U.S. top court heard arguments on whether the White House can flex its tariff muscles under the International Emergency Economic Powers Act, which allows the president to regulate international commerce but does not specifically authorize tariffs. There's little expectation that the justices will be in a hurry to issue a ruling, so any impacts are likely to be months away. But speculation already is running rampant: Will the court throw out the tariffs entirely and force administration to issue rebates to importers who have had to pay the duties? Will it allow the levi