Commerce Secretary Howard Lutnick insisted Sunday a court fight over President Donald Trump's tariff power won't blunt the administration's leverage as it works on trade deals with key partners ahead of a July deadline.

The decision to increase the tariff on steel to 50 percent has brought warnings of a “catastrophe” for the Canadian steel industry, with steel producers around the world to be hit.

Asian share markets made a wary start to the week on Monday as investors navigated the shifting sands of White House tariff policy, while awaiting key U.S. jobs data and a widely expected cut in European interest rates.

White House press secretary Karoline Leavitt sharply criticizes the judges on a federal trade court that blocked President Donald Trump from imposing sweeping tariffs on imports under an emergency-powers law.

A tiny New York City wine importer challenged President Donald Trump’s tariff policies in court, tangling the White House’s economic plans.

President Donald Trump and Chinese President Xi Jinping will speak soon to iron out trade issues including a dispute over critical minerals.

Amid court challenges, the White House asserts confidence in President Donald Trump's tariff strategy, emphasizing the administration's focus on maintaining fair trade practices.

"This ruling protects American businesses from the destabilizing effects of volatile, unilaterally imposed tariffs."