The Supreme Court will hear arguments today in Trump v. V.O.S. Selections, Inc., a case that could redefine the balance of power between the White House and Congress over trade and emergency authority...

A major reason for that, according to legal experts, was the surprisingly harsh questioning by Justice Neil Gorsuch, a conservative who sometimes defies expectations.

"Based on the questions posed by the justices, the IEEPA tariffs appear to be in jeopardy," said Damon Pike, a principal with BDO USA's customs and trade services practice.