Technology stocks were dragging Wall Street modestly lower as markets take in another big batch of corporate earnings Wednesday while waiting for the Supreme Court to decide on the legality of President Donald Trump’s unilaterally imposed tariffs.

Futures for the S&P 500 slipped 0.1%, while futures for the Dow Jones Industrial Average were flat. Futures for the Nasdaq, where the most prominent tech companies trade, fell 0.2%.

In a pivotal test of executive power with trillion-dollar implications for the global economy, the Republican administration is trying to defend the tariffs central to Trump’s economic agenda after lower courts ruled the emergency law he invoked doesn’t give him the power to charge duties on imports.

The Constitution says Congress has the power to levy tariffs

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