The answer is pending as early as tomorrow (Friday, Jan. 9), when the High Court is expected to issue rulings, which could include a decision on the legality of President Trump’s global tariffs. Hanging in the balance: the potential for billions of dollars in tariff refunds, along with a major setback for Trump’s use of presidential authority over trade policy. Add in a hefty dose of confusion about the implications for markets and the economy and it’s clear that Supreme Court’s decision on tariffs could be a significant event that reverberates through the months and years ahead.