Trump tariffs live updates: Trump floats tariff on countries that 'don't go along with' US acquisition of Greenland

Key Points

  • Supreme Court Ruling: The US Supreme Court is set to decide on the legality of President Trump's sweeping tariffs, testing the extent of presidential powers under a 1977 law meant for national emergencies.**
  • Business Impact: Companies like Costco are suing the US government, hoping for refunds on import duties if the court rules against Trump's tariff authority.**
  • Trump's Concerns: Trump has expressed significant concern over potentially losing tariff powers, calling it a "terrible blow" to the US and warning of dire consequences on social media.**
  • Additional Tariff Proposals: Trump has floated the idea of imposing tariffs on countries opposing a US acquisition of Greenland, citing national security reasons.**
  • International Trade Deals: Recent trade agreements include a US-Taiwan deal to reduce tariffs and boost tech investments, and a Canada-China deal to lower tariffs on Chinese electric vehicles and Canadian farm products.**

Summary

This article discusses the impending US Supreme Court ruling on President Trump's extensive tariffs, which were imposed under a 1977 national emergency law, testing the limits of presidential authority. The decision, awaited after arguments in November, could impact businesses like Costco, which are seeking refunds on import duties through lawsuits. Trump has voiced strong concerns about losing tariff powers, labeling it a severe setback for the US. Additionally, Trump proposed tariffs on nations opposing a US takeover of Greenland for national security reasons, though specifics remain unclear. On the international front, a US-Taiwan trade deal aims to cut tariffs and enhance tech investments, despite objections from China, while Canada and China agreed to reduce tariffs on electric vehicles and farm products, signaling a thaw in trade tensions. These developments highlight the complex interplay of trade policy, national security, and international relations under Trump's administration, with significant economic and geopolitical implications pending the court's decision.

yahoo
January 17, 2026
Stocks
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